Subtract 80/27 from 81/4
1st number: 20 1/4, 2nd number: 2 26/27
81/4 - 80/27 is 1867/108.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 27 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 4 × 27 = 108,
81/4 = 81 × 27/4 × 27 = 2187/108 - Likewise, for the 2nd fraction, since 27 × 4 = 108,
80/27 = 80 × 4/27 × 4 = 320/108 - Subtract the two like fractions:
2187/108 - 320/108 = 2187 - 320/108 = 1867/108 - In mixed form: 1731/108
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