Subtract 20/45 from 28/15
1st number: 1 13/15, 2nd number: 20/45
28/15 - 20/45 is 64/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 15 × 3 = 45,
28/15 = 28 × 3/15 × 3 = 84/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Subtract the two like fractions:
84/45 - 20/45 = 84 - 20/45 = 64/45 - In mixed form: 119/45
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