Subtract 9/25 from 18/63
18/63 - 9/25 is -13/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
18/63 = 18 × 25/63 × 25 = 450/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
9/25 = 9 × 63/25 × 63 = 567/1575 - Subtract the two like fractions:
450/1575 - 567/1575 = 450 - 567/1575 = -117/1575 - After reducing the fraction, the answer is -13/175
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