Subtract 4/56 from 90/10, Solve 9 0/10

Subtract 4/56 from 90/10

1^st number: 9 0/10, 2^nd number: 4/56

90/10 - 4/56 is 125/14.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 56 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 10 × 28 = 280,
90/10 = 90 × 28/10 × 28 = 2520/280
Likewise, for the 2nd fraction, since 56 × 5 = 280,
4/56 = 4 × 5/56 × 5 = 20/280
Subtract the two like fractions:
2520/280 - 20/280 = 2520 - 20/280 = 2500/280
After reducing the fraction, the answer is 125/14
In mixed form: 813/14

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