Subtract 10/9 from 28/80
1st number: 28/80, 2nd number: 1 1/9
28/80 - 10/9 is -137/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 9 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 9 × 80 = 720,
10/9 = 10 × 80/9 × 80 = 800/720 - Subtract the two like fractions:
252/720 - 800/720 = 252 - 800/720 = -548/720 - After reducing the fraction, the answer is -137/180
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