Subtract 21/15 from 63/27
1st number: 2 9/27, 2nd number: 1 6/15
63/27 - 21/15 is 14/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
63/27 = 63 × 5/27 × 5 = 315/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
21/15 = 21 × 9/15 × 9 = 189/135 - Subtract the two like fractions:
315/135 - 189/135 = 315 - 189/135 = 126/135 - After reducing the fraction, the answer is 14/15
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