Subtract 5/63 from 90/14, Solve 6 6/14

Subtract 5/63 from 90/14

1^st number: 6 6/14, 2^nd number: 5/63

90/14 - 5/63 is 400/63.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
5/63 = 5 × 2/63 × 2 = 10/126
Subtract the two like fractions:
810/126 - 10/126 = 810 - 10/126 = 800/126
After reducing the fraction, the answer is 400/63
In mixed form: 622/63

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