Subtract 8/6 from 20/63
1st number: 20/63, 2nd number: 1 2/6
20/63 - 8/6 is -64/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 6 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 63 × 2 = 126,
20/63 = 20 × 2/63 × 2 = 40/126 - Likewise, for the 2nd fraction, since 6 × 21 = 126,
8/6 = 8 × 21/6 × 21 = 168/126 - Subtract the two like fractions:
40/126 - 168/126 = 40 - 168/126 = -128/126 - After reducing the fraction, the answer is -64/63
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