1/5 + 2/3 =
m.m.c(3,5) = 15
3/15 + 10/15 = 13/15 (gastou)
15/15 - 13/15 = 2/15 (sobrou)
2/15 -------------------------------------------37
15/15 (1) --------------------------------------- x
x . 2/15 = 37
x = 37 : 2/15
x = 37 . 15/2
x = 555/2
x = 277,50
Resposta Rafael tinha R$277,50
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1/5 + 2/3 =
m.m.c(3,5) = 15
3/15 + 10/15 = 13/15 (gastou)
15/15 - 13/15 = 2/15 (sobrou)
2/15 -------------------------------------------37
15/15 (1) --------------------------------------- x
x . 2/15 = 37
x = 37 : 2/15
x = 37 . 15/2
x = 555/2
x = 277,50
Resposta Rafael tinha R$277,50