Subtract 21/36 from 28/12
1st number: 2 4/12, 2nd number: 21/36
28/12 - 21/36 is 7/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
28/12 = 28 × 3/12 × 3 = 84/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
21/36 = 21 × 1/36 × 1 = 21/36 - Subtract the two like fractions:
84/36 - 21/36 = 84 - 21/36 = 63/36 - After reducing the fraction, the answer is 7/4
- In mixed form: 13/4
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