Bonjour,
2/5 + 3/15 = (2 x 3)/(5 x 3) + 3/15 = 6/15 + 3/15 = 9/15 = 3/5
7/9 + 5/72 = (7 x 8)/(9 x 8) + 5/72 = 56/72 + 5/72 = 61/72
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Bonjour,
2/5 + 3/15 = (2 x 3)/(5 x 3) + 3/15 = 6/15 + 3/15 = 9/15 = 3/5
7/9 + 5/72 = (7 x 8)/(9 x 8) + 5/72 = 56/72 + 5/72 = 61/72