Subtract 28/63 from 30/15
1st number: 2 0/15, 2nd number: 28/63
30/15 - 28/63 is 14/9.
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,
30/15 = 30 × 21/15 × 21 = 630/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
28/63 = 28 × 5/63 × 5 = 140/315 - Subtract the two like fractions:
630/315 - 140/315 = 630 - 140/315 = 490/315 - After reducing the fraction, the answer is 14/9
- In mixed form: 15/9
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