Subtract 3/14 from 21/28
21/28 - 3/14 is 15/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 14 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Likewise, for the 2nd fraction, since 14 × 2 = 28,
3/14 = 3 × 2/14 × 2 = 6/28 - Subtract the two like fractions:
21/28 - 6/28 = 21 - 6/28 = 15/28
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