Question

вычислите 1) 4/15+3/4 2)5/6-9/6 3)4целых4/7+6 1/4 4)5целых7/8-3 5/6

Answer 1

4/15+3/4=16/60+45/60=61/60=
=1 1/60

5/6-9/6=-4/6=-2/3

4 4/7+6 1/4=32/7+25/4=
=128/28+175/28=303/28=10 23/28

5 7/8-3 5/6=47/8-23/6=
=141/24-92/24=49/24=2 1/24