Subtract 20/28 from 56/30
1st number: 1 26/30, 2nd number: 20/28
56/30 - 20/28 is 121/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
56/30 = 56 × 14/30 × 14 = 784/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Subtract the two like fractions:
784/420 - 300/420 = 784 - 300/420 = 484/420 - After reducing the fraction, the answer is 121/105
- In mixed form: 116/105
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