Subtract 30/63 from 36/18, Solve 2 0/18

Subtract 30/63 from 36/18

1^st number: 2 0/18, 2^nd number: 30/63

36/18 - 30/63 is 32/21.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 18 × 7 = 126,
36/18 = 36 × 7/18 × 7 = 252/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
30/63 = 30 × 2/63 × 2 = 60/126
Subtract the two like fractions:
252/126 - 60/126 = 252 - 60/126 = 192/126
After reducing the fraction, the answer is 32/21
In mixed form: 111/21

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