Subtract 28/35 from 30/63
30/63 - 28/35 is -34/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 35 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 35 × 9 = 315,
28/35 = 28 × 9/35 × 9 = 252/315 - Subtract the two like fractions:
150/315 - 252/315 = 150 - 252/315 = -102/315 - After reducing the fraction, the answer is -34/105
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