Question

Выполните умножение 9 3/5 * 10/21, 3 11/12 * 9/24, 1 5/7 * 6 1/8, 3 5/9 * 5 1/4, 1 13/15 * 5/8 *2 2/7, 2 1/4 * 16/27 *4 1/3(заранее спасибо)

Answer 1

1)9 3/5 * 10/21=48/5*10/21= 4 4/7
3 11/12 * 9/24=47/12*9\24=1 15/32
1 5/7 * 6 1/8=12/7*49/8=10  1/2
3 5/9 * 5 1/4=32/9*21/4=56/3=18 2/3

1 13/15 * 5/8 *2 2/7=28/15*5/8*16/7=2 2/3

2 1/4 * 16/27 *4 1/3=5 7/9

Answer 2

Calculation:

To perform the multiplication, let's calculate each expression step by step:

1. 9 3/5 * 10/21: - Convert the mixed numbers to improper fractions: 9 3/5 = 48/5, 10/21. - Multiply the fractions: (48/5) * (10/21) = 480/105 = 16/3 = 5 1/3. 2. 3 11/12 * 9/24: - Convert the mixed numbers to improper fractions: 3 11/12 = 47/12, 9/24 = 3/8. - Multiply the fractions: (47/12) * (3/8) = 141/96 = 47/32 = 1 15/32. [[2]](https://uchi.ru/otvety/questions/vypolnite-umnozhenie-1-9-3-5-10-21-3-1-5-7-6-1-8-5-1-13-15-5-8-2-2-7-2-3-11-12-9-94-4-3-5)

3. 1 5/7 * 6 1/8: - Convert the mixed numbers to improper fractions: 1 5/7 = 12/7, 6 1/8 = 49/8. - Multiply the fractions: (