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