Subtract 18/28 from 4/9
4/9 - 18/28 is -25/126.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
4/9 = 4 × 28/9 × 28 = 112/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Subtract the two like fractions:
112/252 - 162/252 = 112 - 162/252 = -50/252 - After reducing the fraction, the answer is -25/126
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