Subtract 21/84 from 2/3
2/3 - 21/84 is 5/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 3 × 28 = 84,
2/3 = 2 × 28/3 × 28 = 56/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
21/84 = 21 × 1/84 × 1 = 21/84 - Subtract the two like fractions:
56/84 - 21/84 = 56 - 21/84 = 35/84 - After reducing the fraction, the answer is 5/12
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