Subtract 3/15 from 56/28
1st number: 2 0/28, 2nd number: 3/15
56/28 - 3/15 is 9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
56/28 = 56 × 15/28 × 15 = 840/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
3/15 = 3 × 28/15 × 28 = 84/420 - Subtract the two like fractions:
840/420 - 84/420 = 840 - 84/420 = 756/420 - After reducing the fraction, the answer is 9/5
- In mixed form: 14/5
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