Subtract 7/10 from 1/5
1/5 - 7/10 is -1/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 5 × 2 = 10,
1/5 = 1 × 2/5 × 2 = 2/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
7/10 = 7 × 1/10 × 1 = 7/10 - Subtract the two like fractions:
2/10 - 7/10 = 2 - 7/10 = -5/10 - After reducing the fraction, the answer is -1/2
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