Subtract 7/45 from 15/5
1st number: 3 0/5, 2nd number: 7/45
15/5 - 7/45 is 128/45.
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,
7/45 = 7 × 1/45 × 1 = 7/45 - Subtract the two like fractions:
135/45 - 7/45 = 135 - 7/45 = 128/45 - In mixed form: 238/45
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