Subtract 1/63 from 81/72
1st number: 1 9/72, 2nd number: 1/63
81/72 - 1/63 is 559/504.
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,
81/72 = 81 × 7/72 × 7 = 567/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
1/63 = 1 × 8/63 × 8 = 8/504 - Subtract the two like fractions:
567/504 - 8/504 = 567 - 8/504 = 559/504 - In mixed form: 155/504
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