Subtract 18/63 from 7/6, Solve 1 1/6

Subtract 18/63 from 7/6

1^st number: 1 1/6, 2^nd number: 18/63

7/6 - 18/63 is 37/42.

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

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
7/6 = 7 × 21/6 × 21 = 147/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
18/63 = 18 × 2/63 × 2 = 36/126
Subtract the two like fractions:
147/126 - 36/126 = 147 - 36/126 = 111/126
After reducing the fraction, the answer is 37/42

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