Subtract 42/27 from 84/5
1st number: 16 4/5, 2nd number: 1 15/27
84/5 - 42/27 is 686/45.
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,
84/5 = 84 × 27/5 × 27 = 2268/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
42/27 = 42 × 5/27 × 5 = 210/135 - Subtract the two like fractions:
2268/135 - 210/135 = 2268 - 210/135 = 2058/135 - After reducing the fraction, the answer is 686/45
- In mixed form: 1511/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/5-84/27 84/10-42/27 84/5-42/54 84/15-42/27 84/5-42/81 84/25-42/27 84/35-42/27