Add 72/5 and 27/18
1st number: 14 2/5, 2nd number: 1 9/18
72/5 + 27/18 is 159/10.
Steps for adding 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,
72/5 = 72 × 18/5 × 18 = 1296/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
27/18 = 27 × 5/18 × 5 = 135/90 - Add the two like fractions:
1296/90 + 135/90 = 1296 + 135/90 = 1431/90 - 1431/90 simplified gives 159/10
- So, 72/5 + 27/18 = 159/10
In mixed form: 159/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/5+54/18 72/10+27/18 72/5+27/36 72/5+81/18 72/15+27/18 72/5+27/54 72/25+27/18 72/5+27/90 72/35+27/18