Subtract 63/18 from 27/5
1st number: 5 2/5, 2nd number: 3 9/18
27/5 - 63/18 is 19/10.
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,
63/18 = 63 × 5/18 × 5 = 315/90 - Subtract the two like fractions:
486/90 - 315/90 = 486 - 315/90 = 171/90 - After reducing the fraction, the answer is 19/10
- In mixed form: 19/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/5-63/18 27/10-63/18 27/5-63/36 81/5-63/18 27/15-63/18 27/5-63/54 27/25-63/18 27/5-63/90 27/35-63/18