Subtract 21/25 from 7/14
7/14 - 21/25 is -17/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 25 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 14 × 25 = 350,
7/14 = 7 × 25/14 × 25 = 175/350 - Likewise, for the 2nd fraction, since 25 × 14 = 350,
21/25 = 21 × 14/25 × 14 = 294/350 - Subtract the two like fractions:
175/350 - 294/350 = 175 - 294/350 = -119/350 - After reducing the fraction, the answer is -17/50
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