Subtract 30/63 from 21/15
1st number: 1 6/15, 2nd number: 30/63
21/15 - 30/63 is 97/105.
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,
30/63 = 30 × 5/63 × 5 = 150/315 - Subtract the two like fractions:
441/315 - 150/315 = 441 - 150/315 = 291/315 - After reducing the fraction, the answer is 97/105
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