Subtract 75/81 from 80/2
1st number: 40 0/2, 2nd number: 75/81
80/2 - 75/81 is 1055/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 81 is 162
Next, find the equivalent fraction of both fractional numbers with denominator 162 - For the 1st fraction, since 2 × 81 = 162,
80/2 = 80 × 81/2 × 81 = 6480/162 - Likewise, for the 2nd fraction, since 81 × 2 = 162,
75/81 = 75 × 2/81 × 2 = 150/162 - Subtract the two like fractions:
6480/162 - 150/162 = 6480 - 150/162 = 6330/162 - After reducing the fraction, the answer is 1055/27
- In mixed form: 392/27
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