Subtract 8/24 from 6/42
6/42 - 8/24 is -4/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
6/42 = 6 × 4/42 × 4 = 24/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
8/24 = 8 × 7/24 × 7 = 56/168 - Subtract the two like fractions:
24/168 - 56/168 = 24 - 56/168 = -32/168 - After reducing the fraction, the answer is -4/21
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