Subtract 7/15 from 80/9
1st number: 8 8/9, 2nd number: 7/15
80/9 - 7/15 is 379/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
7/15 = 7 × 3/15 × 3 = 21/45 - Subtract the two like fractions:
400/45 - 21/45 = 400 - 21/45 = 379/45 - In mixed form: 819/45
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