Subtract 42/21 from 6/24
1st number: 6/24, 2nd number: 2 0/21
6/24 - 42/21 is -7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 24 × 7 = 168,
6/24 = 6 × 7/24 × 7 = 42/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
42/21 = 42 × 8/21 × 8 = 336/168 - Subtract the two like fractions:
42/168 - 336/168 = 42 - 336/168 = -294/168 - After reducing the fraction, the answer is -7/4
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