Subtract 21/12 from 49/28
1st number: 1 21/28, 2nd number: 1 9/12
49/28 - 21/12 is 0/1.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
49/28 = 49 × 3/28 × 3 = 147/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
21/12 = 21 × 7/12 × 7 = 147/84 - Subtract the two like fractions:
147/84 - 147/84 = 147 - 147/84 = 0/84 - The answer is 0
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