Subtract 20/63 from 9/8
1st number: 1 1/8, 2nd number: 20/63
9/8 - 20/63 is 407/504.
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,
9/8 = 9 × 63/8 × 63 = 567/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Subtract the two like fractions:
567/504 - 160/504 = 567 - 160/504 = 407/504
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