Subtract 3/5 from 30/63
30/63 - 3/5 is -13/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
30/63 = 30 × 5/63 × 5 = 150/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
3/5 = 3 × 63/5 × 63 = 189/315 - Subtract the two like fractions:
150/315 - 189/315 = 150 - 189/315 = -39/315 - After reducing the fraction, the answer is -13/105
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