Subtract 7/63 from 42/14, Solve 3 0/14

Subtract 7/63 from 42/14

1^st number: 3 0/14, 2^nd number: 7/63

42/14 - 7/63 is 26/9.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 14 × 9 = 126,
42/14 = 42 × 9/14 × 9 = 378/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
7/63 = 7 × 2/63 × 2 = 14/126
Subtract the two like fractions:
378/126 - 14/126 = 378 - 14/126 = 364/126
After reducing the fraction, the answer is 26/9
In mixed form: 28/9

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