Subtract 21/35 from 1/25
1/25 - 21/35 is -14/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 35 is 175
Next, find the equivalent fraction of both fractional numbers with denominator 175 - For the 1st fraction, since 25 × 7 = 175,
1/25 = 1 × 7/25 × 7 = 7/175 - Likewise, for the 2nd fraction, since 35 × 5 = 175,
21/35 = 21 × 5/35 × 5 = 105/175 - Subtract the two like fractions:
7/175 - 105/175 = 7 - 105/175 = -98/175 - After reducing the fraction, the answer is -14/25
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