Subtract 27/7 from 20/25
1st number: 20/25, 2nd number: 3 6/7
20/25 - 27/7 is -107/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 7 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
20/25 = 20 × 7/25 × 7 = 140/175 - Likewise, for the 2nd fraction, since 7 × 25 = 175,
27/7 = 27 × 25/7 × 25 = 675/175 - Subtract the two like fractions:
140/175 - 675/175 = 140 - 675/175 = -535/175 - After reducing the fraction, the answer is -107/35
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