Subtract 56/63 from 30/2, Solve 15 0/2

Subtract 56/63 from 30/2

1^st number: 15 0/2, 2^nd number: 56/63

30/2 - 56/63 is 127/9.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 2 × 63 = 126,
30/2 = 30 × 63/2 × 63 = 1890/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
56/63 = 56 × 2/63 × 2 = 112/126
Subtract the two like fractions:
1890/126 - 112/126 = 1890 - 112/126 = 1778/126
After reducing the fraction, the answer is 127/9
In mixed form: 141/9

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