Subtract 18/63 from 72/8
1st number: 9 0/8, 2nd number: 18/63
72/8 - 18/63 is 61/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
72/8 = 72 × 63/8 × 63 = 4536/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
18/63 = 18 × 8/63 × 8 = 144/504 - Subtract the two like fractions:
4536/504 - 144/504 = 4536 - 144/504 = 4392/504 - After reducing the fraction, the answer is 61/7
- In mixed form: 85/7
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