Subtract 72/63 from 54/75
1st number: 54/75, 2nd number: 1 9/63
54/75 - 72/63 is -74/175.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 63 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 75 × 21 = 1575,
54/75 = 54 × 21/75 × 21 = 1134/1575 - Likewise, for the 2nd fraction, since 63 × 25 = 1575,
72/63 = 72 × 25/63 × 25 = 1800/1575 - Subtract the two like fractions:
1134/1575 - 1800/1575 = 1134 - 1800/1575 = -666/1575 - After reducing the fraction, the answer is -74/175
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