Subtract 7/63 from 54/72
54/72 - 7/63 is 23/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
54/72 = 54 × 7/72 × 7 = 378/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
7/63 = 7 × 8/63 × 8 = 56/504 - Subtract the two like fractions:
378/504 - 56/504 = 378 - 56/504 = 322/504 - After reducing the fraction, the answer is 23/36
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