Subtract 80/9 from 28/45
1st number: 28/45, 2nd number: 8 8/9
28/45 - 80/9 is -124/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 9 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
28/45 = 28 × 1/45 × 1 = 28/45 - Likewise, for the 2nd fraction, since 9 × 5 = 45,
80/9 = 80 × 5/9 × 5 = 400/45 - Subtract the two like fractions:
28/45 - 400/45 = 28 - 400/45 = -372/45 - After reducing the fraction, the answer is -124/15
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