Subtract 35/28 from 56/21
1st number: 2 14/21, 2nd number: 1 7/28
56/21 - 35/28 is 17/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
56/21 = 56 × 4/21 × 4 = 224/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
35/28 = 35 × 3/28 × 3 = 105/84 - Subtract the two like fractions:
224/84 - 105/84 = 224 - 105/84 = 119/84 - After reducing the fraction, the answer is 17/12
- In mixed form: 15/12
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