Subtract 28/45 from 15/5
1st number: 3 0/5, 2nd number: 28/45
15/5 - 28/45 is 107/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
15/5 = 15 × 9/5 × 9 = 135/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Subtract the two like fractions:
135/45 - 28/45 = 135 - 28/45 = 107/45 - In mixed form: 217/45
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