Subtract 28/20 from 56/16
1st number: 3 8/16, 2nd number: 1 8/20
56/16 - 28/20 is 21/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
56/16 = 56 × 5/16 × 5 = 280/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
28/20 = 28 × 4/20 × 4 = 112/80 - Subtract the two like fractions:
280/80 - 112/80 = 280 - 112/80 = 168/80 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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