Subtract 40/28 from 80/9
1st number: 8 8/9, 2nd number: 1 12/28
80/9 - 40/28 is 470/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 9 × 28 = 252,
80/9 = 80 × 28/9 × 28 = 2240/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
40/28 = 40 × 9/28 × 9 = 360/252 - Subtract the two like fractions:
2240/252 - 360/252 = 2240 - 360/252 = 1880/252 - After reducing the fraction, the answer is 470/63
- In mixed form: 729/63
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