sstrike's answer to Min's Primary 5 Maths Fractions Singapore question.

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sstrike
Sstrike's answer
5393 answers (A Helpful Person)
⅝ → 8-5 = 3
⅗ → 5-3 = 2

【LCM → 3, 2 → 6】

8×2 + 5×3=31
10 : 31 = 40 : 124

Ans: 40