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