Subtract 80/45 from 56/15
1st number: 3 11/15, 2nd number: 1 35/45
56/15 - 80/45 is 88/45.
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,
56/15 = 56 × 3/15 × 3 = 168/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
80/45 = 80 × 1/45 × 1 = 80/45 - Subtract the two like fractions:
168/45 - 80/45 = 168 - 80/45 = 88/45 - In mixed form: 143/45
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