$$\frac{1}{3}+$$ $$4\frac{1}{2}=$$ $$1\frac{6}{7}-$$ $$1\frac{1}{2}=$$ $$\frac{5}{8}-$$ $$\frac{1}{2}=$$ $$\frac{13}{20}-$$ $$\frac{2}{5}=$$ $$1\frac{1}{2}-$$ $$\frac{13}{20}=$$ $$\frac{2}{5}-$$ $$\frac{1}{15}=$$
$$1\frac{5}{6}-$$ $$\frac{3}{4}=$$ $$\frac{5}{9}-$$ $$\frac{4}{9}=$$ $$1\frac{1}{5}+$$ $$1\frac{2}{5}=$$ $$\frac{5}{7}+$$ $$\frac{13}{14}=$$ $$1\frac{1}{6}+$$ $$\frac{3}{4}=$$ $$\frac{5}{9}-$$ $$\frac{1}{3}=$$
$$\frac{4}{5}+$$ $$\frac{1}{3}=$$ $$1\frac{2}{5}+$$ $$\frac{1}{2}=$$ $$2\frac{1}{2}-$$ $$\frac{7}{20}=$$ $$2\frac{5}{6}-$$ $$1\frac{3}{4}=$$ $$\frac{13}{15}+$$ $$\frac{2}{5}=$$ $$2\frac{2}{3}+$$ $$\frac{7}{12}=$$
$$\frac{1}{3}+$$ $$1\frac{3}{4}=$$ $$1\frac{1}{9}-$$ $$\frac{1}{2}=$$ $$3\frac{3}{4}+$$ $$\frac{1}{3}=$$ $$1\frac{1}{16}-$$ $$\frac{7}{8}=$$ $$3\frac{1}{3}+$$ $$1\frac{1}{3}=$$ $$2\frac{1}{8}-$$ $$\frac{7}{8}=$$
$$5\frac{1}{2}-$$ $$\frac{5}{9}=$$ $$\frac{1}{2}+$$ $$\frac{1}{4}=$$ $$1\frac{7}{10}-$$ $$1\frac{1}{5}=$$ $$1\frac{1}{2}+$$ $$\frac{1}{9}=$$ $$3\frac{1}{4}+$$ $$1\frac{1}{4}=$$ $$\frac{3}{4}+$$ $$\frac{3}{10}=$$
$$\frac{7}{13}+$$ $$1\frac{4}{13}=$$ $$\frac{3}{5}+$$ $$3\frac{3}{5}=$$ $$1\frac{1}{2}-$$ $$\frac{1}{3}=$$ $$5\frac{1}{2}-$$ $$\frac{1}{4}=$$ $$1\frac{4}{5}+$$ $$1\frac{2}{3}=$$ $$7\frac{1}{2}-$$ $$1\frac{1}{4}=$$
$$2\frac{1}{2}+$$ $$3\frac{1}{2}=$$ $$1\frac{4}{5}+$$ $$1\frac{1}{3}=$$ $$1\frac{2}{5}+$$ $$\frac{3}{5}=$$ $$5\frac{1}{2}+$$ $$\frac{3}{4}=$$ $$1\frac{1}{2}-$$ $$1\frac{1}{5}=$$ $$2\frac{2}{3}-$$ $$\frac{2}{9}=$$
$$3\frac{1}{6}-$$ $$1\frac{2}{9}=$$ $$1\frac{1}{18}-$$ $$\frac{2}{3}=$$ $$2\frac{2}{5}+$$ $$2\frac{3}{5}=$$ $$4\frac{1}{2}-$$ $$\frac{1}{3}=$$ $$1\frac{1}{5}+$$ $$2\frac{2}{5}=$$ $$\frac{4}{15}+$$ $$6\frac{2}{3}=$$
$$\frac{4}{5}+$$ $$\frac{2}{5}=$$ $$1\frac{2}{13}-$$ $$\frac{7}{13}=$$ $$2\frac{1}{2}-$$ $$1\frac{2}{9}=$$ $$2\frac{1}{2}+$$ $$1\frac{3}{7}=$$ $$1\frac{2}{5}+$$ $$\frac{1}{3}=$$ $$\frac{2}{9}+$$ $$1\frac{8}{9}=$$
$$2\frac{1}{2}-$$ $$\frac{1}{10}=$$ $$6\frac{2}{3}-$$ $$\frac{1}{3}=$$ $$2\frac{3}{4}+$$ $$\frac{5}{6}=$$ $$2\frac{1}{3}-$$ $$1\frac{1}{6}=$$ $$1\frac{1}{2}+$$ $$\frac{4}{9}=$$ $$1\frac{1}{18}+$$ $$1\frac{1}{3}=$$
$$3\frac{1}{2}+$$ $$2\frac{4}{5}=$$ $$\frac{17}{20}-$$ $$\frac{1}{5}=$$ $$\frac{3}{14}+$$ $$7\frac{1}{2}=$$ $$1\frac{1}{4}+$$ $$1\frac{1}{4}=$$ $$\frac{5}{8}+$$ $$\frac{7}{16}=$$ $$1\frac{4}{15}+$$ $$2\frac{2}{3}=$$
$$\frac{18}{19}-$$ $$\frac{11}{19}=$$ $$2\frac{1}{2}-$$ $$\frac{1}{2}=$$ $$\frac{2}{5}+$$ $$4\frac{1}{2}=$$ $$1\frac{1}{3}-$$ $$\frac{8}{9}=$$ $$3\frac{3}{4}-$$ $$\frac{5}{8}=$$ $$\frac{2}{3}-$$ $$\frac{2}{5}=$$
$$3\frac{1}{4}+$$ $$\frac{3}{16}=$$ $$\frac{3}{7}+$$ $$1\frac{5}{14}=$$ $$\frac{1}{2}+$$ $$\frac{1}{8}=$$ $$1\frac{1}{3}-$$ $$\frac{2}{3}=$$ $$9\frac{1}{2}+$$ $$\frac{5}{9}=$$ $$1\frac{2}{3}+$$ $$\frac{1}{3}=$$
$$9\frac{1}{2}-$$ $$1\frac{7}{8}=$$ $$3\frac{3}{5}+$$ $$1\frac{4}{5}=$$
( 1) $$4\frac{5}{6}$$ ( 2) $$\frac{5}{14}$$ ( 3) $$\frac{1}{8}$$ ( 4) $$\frac{1}{4}$$ ( 5) $$\frac{17}{20}$$ ( 6) $$\frac{1}{3}$$
( 7) $$1\frac{1}{12}$$ ( 8) $$\frac{1}{9}$$ ( 9) $$2\frac{3}{5}$$ ( 10) $$1\frac{9}{14}$$ ( 11) $$1\frac{11}{12}$$ ( 12) $$\frac{2}{9}$$
( 13) $$1\frac{2}{15}$$ ( 14) $$1\frac{9}{10}$$ ( 15) $$2\frac{3}{20}$$ ( 16) $$1\frac{1}{12}$$ ( 17) $$1\frac{4}{15}$$ ( 18) $$3\frac{1}{4}$$
( 19) $$2\frac{1}{12}$$ ( 20) $$\frac{11}{18}$$ ( 21) $$4\frac{1}{12}$$ ( 22) $$\frac{3}{16}$$ ( 23) $$4\frac{2}{3}$$ ( 24) $$1\frac{1}{4}$$
( 25) $$4\frac{17}{18}$$ ( 26) $$\frac{3}{4}$$ ( 27) $$\frac{1}{2}$$ ( 28) $$1\frac{11}{18}$$ ( 29) $$4\frac{1}{2}$$ ( 30) $$1\frac{1}{20}$$
( 31) $$1\frac{11}{13}$$ ( 32) $$4\frac{1}{5}$$ ( 33) $$1\frac{1}{6}$$ ( 34) $$5\frac{1}{4}$$ ( 35) $$3\frac{7}{15}$$ ( 36) $$6\frac{1}{4}$$
( 37) $$6$$ ( 38) $$3\frac{2}{15}$$ ( 39) $$2$$ ( 40) $$6\frac{1}{4}$$ ( 41) $$\frac{3}{10}$$ ( 42) $$2\frac{4}{9}$$
( 43) $$1\frac{17}{18}$$ ( 44) $$\frac{7}{18}$$ ( 45) $$5$$ ( 46) $$4\frac{1}{6}$$ ( 47) $$3\frac{3}{5}$$ ( 48) $$6\frac{14}{15}$$
( 49) $$1\frac{1}{5}$$ ( 50) $$\frac{8}{13}$$ ( 51) $$1\frac{5}{18}$$ ( 52) $$3\frac{13}{14}$$ ( 53) $$1\frac{11}{15}$$ ( 54) $$2\frac{1}{9}$$
( 55) $$2\frac{2}{5}$$ ( 56) $$6\frac{1}{3}$$ ( 57) $$3\frac{7}{12}$$ ( 58) $$1\frac{1}{6}$$ ( 59) $$1\frac{17}{18}$$ ( 60) $$2\frac{7}{18}$$
( 61) $$6\frac{3}{10}$$ ( 62) $$\frac{13}{20}$$ ( 63) $$7\frac{5}{7}$$ ( 64) $$2\frac{1}{2}$$ ( 65) $$1\frac{1}{16}$$ ( 66) $$3\frac{14}{15}$$
( 67) $$\frac{7}{19}$$ ( 68) $$2$$ ( 69) $$4\frac{9}{10}$$ ( 70) $$\frac{4}{9}$$ ( 71) $$3\frac{1}{8}$$ ( 72) $$\frac{4}{15}$$
( 73) $$3\frac{7}{16}$$ ( 74) $$1\frac{11}{14}$$ ( 75) $$\frac{5}{8}$$ ( 76) $$\frac{2}{3}$$ ( 77) $$10\frac{1}{18}$$ ( 78) $$2$$
( 79) $$7\frac{5}{8}$$ ( 80) $$5\frac{2}{5}$$