Subtract 80/81 from 27/4
1st number: 6 3/4, 2nd number: 80/81
27/4 - 80/81 is 1867/324.
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,
27/4 = 27 × 81/4 × 81 = 2187/324 - Likewise, for the 2nd fraction, since 81 × 4 = 324,
80/81 = 80 × 4/81 × 4 = 320/324 - Subtract the two like fractions:
2187/324 - 320/324 = 2187 - 320/324 = 1867/324 - In mixed form: 5247/324
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