Subtract 12/28 from 3/24
3/24 - 12/28 is -17/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 28 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
3/24 = 3 × 7/24 × 7 = 21/168 - Likewise, for the 2nd fraction, since 28 × 6 = 168,
12/28 = 12 × 6/28 × 6 = 72/168 - Subtract the two like fractions:
21/168 - 72/168 = 21 - 72/168 = -51/168 - After reducing the fraction, the answer is -17/56
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