Subtract 7/14 from 21/50
21/50 - 7/14 is -2/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 14 is 350
Next, find the equivalent fraction of both fractional numbers with denominator 350 - For the 1st fraction, since 50 × 7 = 350,
21/50 = 21 × 7/50 × 7 = 147/350 - Likewise, for the 2nd fraction, since 14 × 25 = 350,
7/14 = 7 × 25/14 × 25 = 175/350 - Subtract the two like fractions:
147/350 - 175/350 = 147 - 175/350 = -28/350 - After reducing the fraction, the answer is -2/25
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