Subtract 40/81 from 28/4
1st number: 7 0/4, 2nd number: 40/81
28/4 - 40/81 is 527/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 81 is 324
Next, find the equivalent fraction of both fractional numbers with denominator 324 - For the 1st fraction, since 4 × 81 = 324,
28/4 = 28 × 81/4 × 81 = 2268/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
40/81 = 40 × 4/81 × 4 = 160/324 - Subtract the two like fractions:
2268/324 - 160/324 = 2268 - 160/324 = 2108/324 - After reducing the fraction, the answer is 527/81
- In mixed form: 641/81
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