Subtract 2/28 from 20/18, Solve 1 2/18

Subtract 2/28 from 20/18

1^st number: 1 2/18, 2^nd number: 2/28

20/18 - 2/28 is 131/126.

Find the least common denominator or LCM of the two denominators:
LCM of 18 and 28 is 252

Next, find the equivalent fraction of both fractional numbers with denominator 252
For the 1st fraction, since 18 × 14 = 252,
20/18 = 20 × 14/18 × 14 = 280/252
Likewise, for the 2nd fraction, since 28 × 9 = 252,
2/28 = 2 × 9/28 × 9 = 18/252
Subtract the two like fractions:
280/252 - 18/252 = 280 - 18/252 = 262/252
After reducing the fraction, the answer is 131/126
In mixed form: 15/126

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