Subtract 49/56 from 7/5, Solve 1 2/5

Subtract 49/56 from 7/5

1^st number: 1 2/5, 2^nd number: 49/56

7/5 - 49/56 is 21/40.

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

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 5 × 56 = 280,
7/5 = 7 × 56/5 × 56 = 392/280
Likewise, for the 2nd fraction, since 56 × 5 = 280,
49/56 = 49 × 5/56 × 5 = 245/280
Subtract the two like fractions:
392/280 - 245/280 = 392 - 245/280 = 147/280
After reducing the fraction, the answer is 21/40

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