Subtract 21/14 from 9/24
1st number: 9/24, 2nd number: 1 7/14
9/24 - 21/14 is -9/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 14 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
9/24 = 9 × 7/24 × 7 = 63/168 - Likewise, for the 2nd fraction, since 14 × 12 = 168,
21/14 = 21 × 12/14 × 12 = 252/168 - Subtract the two like fractions:
63/168 - 252/168 = 63 - 252/168 = -189/168 - After reducing the fraction, the answer is -9/8
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