2 1/2 разделить на 1 2/3, 5 2/5 разделить на 1 1/9, 1 1/2умножить на 1 1/3, 2 1/2 умножить на 1 3/5

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вопрос

1) 2 1/2 ÷ 1 2/3
Convert the mixed numbers to improper fractions:
5/2 ÷ 5/3
Multiply by the reciprocal:
5/2 x 3/5 = 15/10
Simplify to get your final answer:
15/10 = 1 1/2

2) 5 2/5 ÷ 1 1/9
Convert the mixed numbers to improper fractions:
27/5 ÷ 10/9
Multiply by the reciprocal:
27/5 x 9/10 = 243/50
Simplify to get your final answer:
243/50 = 4 43/50

3) 1 1/2 x 1 1/3
Convert the mixed numbers to improper fractions:
3/2 x 4/3 = 12/6
Simplify to get your final answer:
12/6 = 2

4) 2 1/2 x 1 3/5
Convert the mixed numbers to improper fractions:
5/2 x 8/5 = 40/10
Simplify to get your final answer:
40/10 = 4