Subtract 20/24 from 6/7
6/7 - 20/24 is 1/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
6/7 = 6 × 24/7 × 24 = 144/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
20/24 = 20 × 7/24 × 7 = 140/168 - Subtract the two like fractions:
144/168 - 140/168 = 144 - 140/168 = 4/168 - After reducing the fraction, the answer is 1/42
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