Subtract 20/63 from 8/5
1st number: 1 3/5, 2nd number: 20/63
8/5 - 20/63 is 404/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
8/5 = 8 × 63/5 × 63 = 504/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Subtract the two like fractions:
504/315 - 100/315 = 504 - 100/315 = 404/315 - In mixed form: 189/315
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