Subtract 3/18 from 27/5
1st number: 5 2/5, 2nd number: 3/18
27/5 - 3/18 is 157/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
27/5 = 27 × 18/5 × 18 = 486/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
3/18 = 3 × 5/18 × 5 = 15/90 - Subtract the two like fractions:
486/90 - 15/90 = 486 - 15/90 = 471/90 - After reducing the fraction, the answer is 157/30
- In mixed form: 57/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-3/18 27/5-6/18 27/10-3/18 27/5-3/36 81/5-3/18 27/5-9/18 27/15-3/18 27/5-3/54 27/5-15/18 27/25-3/18 27/5-3/90 27/5-21/18 27/35-3/18