3/5 × 5/7 × 8/9 × 7/10 _____________ 15/16 × 14/39 × 24/25 × 13/21

Question

3/5 × 5/7 × 8/9 × 7/10 _____________ 15/16 × 14/39 × 24/25 × 13/21

Comments

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Answer 1

3/5 × 5/7 × 8/9 × 7/10 = 3/7 × 8/9 × 7/10 = 8/21× 7/10 = 4/15

15/16 × 14/39 × 24/25 × 13/21 = 5
15/16 × 14/39 = 105/312 = 35/104
35/104 × 24/25 = 21/65
21/65 × 13/21 = 65/13 = 5