Subtract 4/5 from 84/56, Solve 1 28/56

Subtract 4/5 from 84/56

1^st number: 1 28/56, 2^nd number: 4/5

84/56 - 4/5 is 7/10.

Find the least common denominator or LCM of the two denominators:
LCM of 56 and 5 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280
Likewise, for the 2nd fraction, since 5 × 56 = 280,
4/5 = 4 × 56/5 × 56 = 224/280
Subtract the two like fractions:
420/280 - 224/280 = 420 - 224/280 = 196/280
After reducing the fraction, the answer is 7/10

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