Subtract 9/20 from 28/16
1st number: 1 12/16, 2nd number: 9/20
28/16 - 9/20 is 13/10.
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,
28/16 = 28 × 5/16 × 5 = 140/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
9/20 = 9 × 4/20 × 4 = 36/80 - Subtract the two like fractions:
140/80 - 36/80 = 140 - 36/80 = 104/80 - After reducing the fraction, the answer is 13/10
- In mixed form: 13/10
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