1/2+1/3=3/6+2/6=5/61/5+1/10=2/10+1/10=3/101/3+2/3=3/3=11 1/6+5/6=1 6/6=27/8+1/4=7/8+2/8=9/8=1 1/81 1/2+1 1/2=2 2/2=33/4+1/5=15/20+4/20=19/205/6-1/3=5/6-2/6=3/6=1/21 1/2-3/4=3/2-3/4=6/4-3/4=3/47/8-1/4=7/8-2/8=5/81 5/7-2/7=1 3/78/9-2/3=8/9-6/9=2/95 3/4-1 1/4=4 2/4=4 1/29/10-1/2=9/10-5/10=4/10=2/51/3×6/7=2/71/5×10/11=2/113/8×1/6=1/161 1/2×3/4=3/2×3/4=9/8=1 1/81 1/2×4/3=3/2×4/3=21 3/5×5/8=8/5×5/8=17/9×1/21=1/276/7×14/15=4/53/4÷1/2=3/4×2/1=3/2=1 1/25/6÷1/6=5/6×6/1=51 1/2÷3/4=3/2×4/3=27/8÷1/16=7/8×16/1=1414÷14/15=14×15/14=158/9÷4/5=8/9×5/4=10/9=1 1/91/7÷1/14=1/7×14/1=26+4/5=6 4/57-3/4=6 4/4-3/4=6 1/4