Subtract 8/63 from 7/15
7/15 - 8/63 is 107/315.
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,
7/15 = 7 × 21/15 × 21 = 147/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
8/63 = 8 × 5/63 × 5 = 40/315 - Subtract the two like fractions:
147/315 - 40/315 = 147 - 40/315 = 107/315
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