Subtract 10/63 from 18/12, Solve 1 6/12

Subtract 10/63 from 18/12

1^st number: 1 6/12, 2^nd number: 10/63

18/12 - 10/63 is 169/126.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 63 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 12 × 21 = 252,
18/12 = 18 × 21/12 × 21 = 378/252
Likewise, for the 2nd fraction, since 63 × 4 = 252,
10/63 = 10 × 4/63 × 4 = 40/252
Subtract the two like fractions:
378/252 - 40/252 = 378 - 40/252 = 338/252
After reducing the fraction, the answer is 169/126
In mixed form: 143/126

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