Subtract 12/63 from 18/6, Solve 3 0/6

Subtract 12/63 from 18/6

1^st number: 3 0/6, 2^nd number: 12/63

18/6 - 12/63 is 59/21.

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,
18/6 = 18 × 21/6 × 21 = 378/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
12/63 = 12 × 2/63 × 2 = 24/126
Subtract the two like fractions:
378/126 - 24/126 = 378 - 24/126 = 354/126
After reducing the fraction, the answer is 59/21
In mixed form: 217/21

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