Subtract 3/21 from 27/63
27/63 - 3/21 is 2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 21 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 63 × 1 = 63,
27/63 = 27 × 1/63 × 1 = 27/63 - Likewise, for the 2nd fraction, since 21 × 3 = 63,
3/21 = 3 × 3/21 × 3 = 9/63 - Subtract the two like fractions:
27/63 - 9/63 = 27 - 9/63 = 18/63 - After reducing the fraction, the answer is 2/7
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