Subtract 15/75 from 5/63
5/63 - 15/75 is -38/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 75 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
5/63 = 5 × 25/63 × 25 = 125/1575 - Likewise, for the 2nd fraction, since 75 × 21 = 1575,
15/75 = 15 × 21/75 × 21 = 315/1575 - Subtract the two like fractions:
125/1575 - 315/1575 = 125 - 315/1575 = -190/1575 - After reducing the fraction, the answer is -38/315
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