Subtract 2/63 from 21/15
1st number: 1 6/15, 2nd number: 2/63
21/15 - 2/63 is 431/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 15 × 21 = 315,
21/15 = 21 × 21/15 × 21 = 441/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
2/63 = 2 × 5/63 × 5 = 10/315 - Subtract the two like fractions:
441/315 - 10/315 = 441 - 10/315 = 431/315 - In mixed form: 1116/315
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