Subtract 70/63 from 20/32
1st number: 20/32, 2nd number: 1 7/63
20/32 - 70/63 is -35/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 63 is 2016
Next, find the equivalent fraction of both fractional numbers with denominator 2016 - For the 1st fraction, since 32 × 63 = 2016,
20/32 = 20 × 63/32 × 63 = 1260/2016 - Likewise, for the 2nd fraction, since 63 × 32 = 2016,
70/63 = 70 × 32/63 × 32 = 2240/2016 - Subtract the two like fractions:
1260/2016 - 2240/2016 = 1260 - 2240/2016 = -980/2016 - After reducing the fraction, the answer is -35/72
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