Subtract 2/24 from 21/84
21/84 - 2/24 is 1/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 84 × 2 = 168,
21/84 = 21 × 2/84 × 2 = 42/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
2/24 = 2 × 7/24 × 7 = 14/168 - Subtract the two like fractions:
42/168 - 14/168 = 42 - 14/168 = 28/168 - After reducing the fraction, the answer is 1/6
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