Subtract 21/28 from 6/14
6/14 - 21/28 is -9/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 14 × 2 = 28,
6/14 = 6 × 2/14 × 2 = 12/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Subtract the two like fractions:
12/28 - 21/28 = 12 - 21/28 = -9/28
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