Subtract 20/63 from 30/8
1st number: 3 6/8, 2nd number: 20/63
30/8 - 20/63 is 865/252.
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,
30/8 = 30 × 63/8 × 63 = 1890/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
20/63 = 20 × 8/63 × 8 = 160/504 - Subtract the two like fractions:
1890/504 - 160/504 = 1890 - 160/504 = 1730/504 - After reducing the fraction, the answer is 865/252
- In mixed form: 3109/252
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