Subtract 3/20 from 84/56
1st number: 1 28/56, 2nd number: 3/20
84/56 - 3/20 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
3/20 = 3 × 14/20 × 14 = 42/280 - Subtract the two like fractions:
420/280 - 42/280 = 420 - 42/280 = 378/280 - After reducing the fraction, the answer is 27/20
- In mixed form: 17/20
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