Subtract 2/10 from 1/7
1/7 - 2/10 is -2/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
1/7 = 1 × 10/7 × 10 = 10/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
2/10 = 2 × 7/10 × 7 = 14/70 - Subtract the two like fractions:
10/70 - 14/70 = 10 - 14/70 = -4/70 - After reducing the fraction, the answer is -2/35
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