Subtract 9/7 from 36/18, Solve 2 0/18

Subtract 9/7 from 36/18

1^st number: 2 0/18, 2^nd number: 1 2/7

36/18 - 9/7 is 5/7.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 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 7 × 18 = 126,
9/7 = 9 × 18/7 × 18 = 162/126
Subtract the two like fractions:
252/126 - 162/126 = 252 - 162/126 = 90/126
After reducing the fraction, the answer is 5/7

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