Question

а)4/5-1/3 б)3/4-1/3 в)4/5-3/4 г)3/4-4/9

Answer 1

4/5-1/3=12/15-5/15=7/15
3/4-1/3=9/12-4/12=5/12
4/5-3/4=16/20-15/20=1/20
3/4-4/9=27/36-16/36=11/36