Subtract 6/72 from 90/63
1st number: 1 27/63, 2nd number: 6/72
90/63 - 6/72 is 113/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
90/63 = 90 × 8/63 × 8 = 720/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
6/72 = 6 × 7/72 × 7 = 42/504 - Subtract the two like fractions:
720/504 - 42/504 = 720 - 42/504 = 678/504 - After reducing the fraction, the answer is 113/84
- In mixed form: 129/84
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