Subtract 42/27 from 81/5
1st number: 16 1/5, 2nd number: 1 15/27
81/5 - 42/27 is 659/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 5 × 27 = 135,
81/5 = 81 × 27/5 × 27 = 2187/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Subtract the two like fractions:
2187/135 - 210/135 = 2187 - 210/135 = 1977/135 - After reducing the fraction, the answer is 659/45
- In mixed form: 1429/45
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