Subtract 9/6 from 7/63, Solve 7/63

Subtract 9/6 from 7/63

1^st number: 7/63, 2^nd number: 1 3/6

7/63 - 9/6 is -25/18.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126
Likewise, for the 2nd fraction, since 6 × 21 = 126,
9/6 = 9 × 21/6 × 21 = 189/126
Subtract the two like fractions:
14/126 - 189/126 = 14 - 189/126 = -175/126
After reducing the fraction, the answer is -25/18

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