Add 10/9 and 72/4
1st number: 1 1/9, 2nd number: 18 0/4
10/9 + 72/4 is 172/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
10/9 = 10 × 4/9 × 4 = 40/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
72/4 = 72 × 9/4 × 9 = 648/36 - Add the two like fractions:
40/36 + 648/36 = 40 + 648/36 = 688/36 - 688/36 simplified gives 172/9
- So, 10/9 + 72/4 = 172/9
In mixed form: 191/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/9+72/4 10/18+72/4 10/9+72/8 30/9+72/4 10/27+72/4 10/9+72/12 50/9+72/4 10/45+72/4 10/9+72/20 70/9+72/4 10/63+72/4 10/9+72/28