Subtract 20/63 from 15/8
1st number: 1 7/8, 2nd number: 20/63
15/8 - 20/63 is 785/504.
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,
15/8 = 15 × 63/8 × 63 = 945/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Subtract the two like fractions:
945/504 - 160/504 = 945 - 160/504 = 785/504 - In mixed form: 1281/504
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