Subtract 70/81 from 40/10
1st number: 4 0/10, 2nd number: 70/81
40/10 - 70/81 is 254/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 81 is 810
Next, find the equivalent fraction of both fractional numbers with denominator 810 - For the 1st fraction, since 10 × 81 = 810,
40/10 = 40 × 81/10 × 81 = 3240/810 - Likewise, for the 2nd fraction, since 81 × 10 = 810,
70/81 = 70 × 10/81 × 10 = 700/810 - Subtract the two like fractions:
3240/810 - 700/810 = 3240 - 700/810 = 2540/810 - After reducing the fraction, the answer is 254/81
- In mixed form: 311/81
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