Subtract 1/15 from 28/20
1st number: 1 8/20, 2nd number: 1/15
28/20 - 1/15 is 4/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
28/20 = 28 × 3/20 × 3 = 84/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
1/15 = 1 × 4/15 × 4 = 4/60 - Subtract the two like fractions:
84/60 - 4/60 = 84 - 4/60 = 80/60 - After reducing the fraction, the answer is 4/3
- In mixed form: 11/3
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