Subtract 21/4 from 7/14
1st number: 7/14, 2nd number: 5 1/4
7/14 - 21/4 is -19/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
7/14 = 7 × 2/14 × 2 = 14/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
21/4 = 21 × 7/4 × 7 = 147/28 - Subtract the two like fractions:
14/28 - 147/28 = 14 - 147/28 = -133/28 - After reducing the fraction, the answer is -19/4
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