Subtract 49/24 from 12/21
1st number: 12/21, 2nd number: 2 1/24
12/21 - 49/24 is -247/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
12/21 = 12 × 8/21 × 8 = 96/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
49/24 = 49 × 7/24 × 7 = 343/168 - Subtract the two like fractions:
96/168 - 343/168 = 96 - 343/168 = -247/168
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