Subtract 15/5 from 20/63
1st number: 20/63, 2nd number: 3 0/5
20/63 - 15/5 is -169/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 5 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
20/63 = 20 × 5/63 × 5 = 100/315 - Likewise, for the 2nd fraction, since 5 × 63 = 315,
15/5 = 15 × 63/5 × 63 = 945/315 - Subtract the two like fractions:
100/315 - 945/315 = 100 - 945/315 = -845/315 - After reducing the fraction, the answer is -169/63
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