Question

найдите произведение дробей: 23 и 710,56 и 920,34 и 821,516 и 815

Answer 1

2/3+7/10=20/30+21/30=41/30=1 11/30

5/6+9/20=50/60+27/60=77/60=1 17/60

3/4+8/21=63/84+32/84=95/84=1 11/84

5/16+8/15=75/240+128/240=203/240

Answer 2

14/30 
45/120
24/84
49/240