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Estimate: 5/8−4/7= 0 1 9/15 20/56
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4 votes
Estimate: 5/8−4/7=
0
1
9/15
20/56

User Juzzlin
by
8.3k points

1 Answer

5 votes


\cfrac{5}{8}-\cfrac{4}{7}\implies \cfrac{(7)(5)~~ - ~~(8)(4)}{\underset{\textit{using this as LCD}}{56}}\implies \cfrac{35-32}{56}\implies \cfrac{3}{56}

User Narayan Raman
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