Question

выполните сложение: 2/3*5/8 ; 7/8*12/17 ; 7/5*4/7 ; 7/9*3/5. ------------——— 6 1/4-3 2/5 ------------------- 7/5*15/14 ; 8/15*25/28 ; 2/15*5/22

Answer 1

2/3*5/8=5/12 7/8*12/17=21/34 7/5*4/7=4/5 7/9*3/5=7/15 61/4–32/5=173/20 7/5*15/14=1,5 8/15*25/28=10/21 2/15*5/22=1/33