Subtract 90/14 from 63/9, Solve 7 0/9

Subtract 90/14 from 63/9

1^st number: 7 0/9, 2^nd number: 6 6/14

63/9 - 90/14 is 4/7.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 14 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 9 × 14 = 126,
63/9 = 63 × 14/9 × 14 = 882/126
Likewise, for the 2nd fraction, since 14 × 9 = 126,
90/14 = 90 × 9/14 × 9 = 810/126
Subtract the two like fractions:
882/126 - 810/126 = 882 - 810/126 = 72/126
After reducing the fraction, the answer is 4/7

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