qual a forma inrredutivel das fracoes 5/8 - 3/8 = 3/6+1/4-2/3 = 3/4+5/7= 2/9+3/9-1/9=
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5/8 - 3/8 = 2/8 = 1/4
3/6+1/4-2/3 = ---mmc(6,4,3) =12
6/12 + 3/12 - 8/12 = 9/12 - 8/12 = 1/12
3/4+5/7= ---mmc(4,7)= 28
21/28 + 20/28 = 41/28
2/9+3/9-1/9= 4/9
3/6+1/4-2/3 = ---mmc(6,4,3) =12
6/12 + 3/12 - 8/12 = 9/12 - 8/12 = 1/12
3/4+5/7= ---mmc(4,7)= 28
21/28 + 20/28 = 41/28
2/9+3/9-1/9= 4/9
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