Subtract 4/56 from 90/2, Solve 45 0/2

Subtract 4/56 from 90/2

1^st number: 45 0/2, 2^nd number: 4/56

90/2 - 4/56 is 629/14.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56

Next, find the equivalent fraction of both fractional numbers with denominator 56
For the 1st fraction, since 2 × 28 = 56,
90/2 = 90 × 28/2 × 28 = 2520/56
Likewise, for the 2nd fraction, since 56 × 1 = 56,
4/56 = 4 × 1/56 × 1 = 4/56
Subtract the two like fractions:
2520/56 - 4/56 = 2520 - 4/56 = 2516/56
After reducing the fraction, the answer is 629/14
In mixed form: 4413/14

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