Subtract 15/28 from 1/18
1/18 - 15/28 is -121/252.
Steps for subtracting fractions
- 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,
1/18 = 1 × 14/18 × 14 = 14/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
15/28 = 15 × 9/28 × 9 = 135/252 - Subtract the two like fractions:
14/252 - 135/252 = 14 - 135/252 = -121/252
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