Subtract 9/18 from 5/28
5/28 - 9/18 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
5/28 = 5 × 9/28 × 9 = 45/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
9/18 = 9 × 14/18 × 14 = 126/252 - Subtract the two like fractions:
45/252 - 126/252 = 45 - 126/252 = -81/252 - After reducing the fraction, the answer is -9/28
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