Subtract 4/6 from 21/28
21/28 - 4/6 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
21/28 = 21 × 3/28 × 3 = 63/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
4/6 = 4 × 14/6 × 14 = 56/84 - Subtract the two like fractions:
63/84 - 56/84 = 63 - 56/84 = 7/84 - After reducing the fraction, the answer is 1/12
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