Add 2/9 and 70/72
2/9 + 70/72 is 43/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
2/9 = 2 × 8/9 × 8 = 16/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Add the two like fractions:
16/72 + 70/72 = 16 + 70/72 = 86/72 - 86/72 simplified gives 43/36
- So, 2/9 + 70/72 = 43/36
In mixed form: 17/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+70/72 2/18+70/72 6/9+70/72 2/27+70/72 10/9+70/72 2/45+70/72 14/9+70/72 2/63+70/72