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Sagot :

MAUDMARINE

Bonjour

2/15 + 2/20

= (2 x 4) / (15 x 4) + (2 x 3) / (20 x 3)

= 8/60 + 6/60

= 14/60

= (2 x 7) / (2 x 30)

= 7/30.

Hello

[tex] \frac{2}{15} + \frac{2}{20} = \frac{2}{15} + \frac{1}{10} = \frac{4}{30} + \frac{3}{30} = \frac{7}{30} [/tex]

bonne journée

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