Question

1/7+1/8

Answer 1

\(\frac{1}{7}+\frac{1}{8}=\frac{1\cdot8}{7\cdot8}+\frac{1\cdot7}{8\cdot7}=\frac{8}{56}+\frac{7}{56}=\frac{8+7}{56}=\frac{15}{56}\)

Answer 2

1/7+1/8=15/56

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Answer 3

\(\frac{1}{7}+\frac{1}{8}=\frac{8}{56}+\frac{7}{56}=\frac{15}{56}\)

Answer 4

15/56

Answer 5

15/56

Answer 6

1/7 + 1/8 = 8/56 + 7/56 = 15/56

Answer 7

Số cần tìm là:

       \(\frac{1}{7}+\frac{1}{8}=\frac{15}{56}\)

              Đáp số:\(\frac{15}{56}\)