Subtract 50/81 from 40/18
1st number: 2 4/18, 2nd number: 50/81
40/18 - 50/81 is 130/81.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 18 × 9 = 162,
40/18 = 40 × 9/18 × 9 = 360/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
50/81 = 50 × 2/81 × 2 = 100/162 - Subtract the two like fractions:
360/162 - 100/162 = 360 - 100/162 = 260/162 - After reducing the fraction, the answer is 130/81
- In mixed form: 149/81
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