Question

5/7 • (21/20 - 7/30) + 16/21 : 8/7 =?

Answer 1

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Answer 2

21/20 - 7/30 = 63/60 - 14/60 = 49/60
5/7 х 49/60 = 245/420 = 49/84 = 7/12
16/21 : 8/7 = 16/21 х 7/8 = 2/3 х 1 = 2/3
7/12 + 2/3 = 7/12 + 8/12 = 15/12 = 5/4 = 1 1/4