Add 5/18 and 72/10
1st number: 5/18, 2nd number: 7 2/10
5/18 + 72/10 is 673/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Add the two like fractions:
25/90 + 648/90 = 25 + 648/90 = 673/90 - So, 5/18 + 72/10 = 673/90
In mixed form: 743/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+72/10 5/36+72/10 5/18+72/20 15/18+72/10 5/54+72/10 5/18+72/30 25/18+72/10 5/90+72/10 5/18+72/50 35/18+72/10 5/18+72/70