Subtract 28/81 from 40/3
1st number: 13 1/3, 2nd number: 28/81
40/3 - 28/81 is 1052/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 81 is 81
Next, find the equivalent fraction of both fractional numbers with denominator 81 - For the 1st fraction, since 3 × 27 = 81,
40/3 = 40 × 27/3 × 27 = 1080/81 - Likewise, for the 2nd fraction, since 81 × 1 = 81,
28/81 = 28 × 1/81 × 1 = 28/81 - Subtract the two like fractions:
1080/81 - 28/81 = 1080 - 28/81 = 1052/81 - In mixed form: 1280/81
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