Subtract 2/21 from 36/84
36/84 - 2/21 is 1/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
36/84 = 36 × 1/84 × 1 = 36/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
2/21 = 2 × 4/21 × 4 = 8/84 - Subtract the two like fractions:
36/84 - 8/84 = 36 - 8/84 = 28/84 - After reducing the fraction, the answer is 1/3
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