Question

СОКРАТИТЕ ДРОБИ ПО ОБРАЗЦУ Е),Ж)
56/49,40/32,48/36,28/21.
21/56,144/120,156/128,396/240.

Answer 1

56/49=8/7 40/32=5/4 48/36=4/3 28/21=4/3 21/56=3/8 144/120=12/10 156/128=78/64