Add 7/9 and 72/45
1st number: 7/9, 2nd number: 1 27/45
7/9 + 72/45 is 107/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 9 × 5 = 45,
7/9 = 7 × 5/9 × 5 = 35/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
72/45 = 72 × 1/45 × 1 = 72/45 - Add the two like fractions:
35/45 + 72/45 = 35 + 72/45 = 107/45 - So, 7/9 + 72/45 = 107/45
In mixed form: 217/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/9+72/45 7/18+72/45 7/9+72/90 21/9+72/45 7/27+72/45 35/9+72/45 7/45+72/45 49/9+72/45 7/63+72/45