Add 40/72 and 2/9
40/72 + 2/9 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
40/72 = 40 × 1/72 × 1 = 40/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
2/9 = 2 × 8/9 × 8 = 16/72 - Add the two like fractions:
40/72 + 16/72 = 40 + 16/72 = 56/72 - 56/72 simplified gives 7/9
- So, 40/72 + 2/9 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72+2/9 40/72+4/9 40/72+2/18 40/72+6/9 40/72+2/27 40/72+10/9 40/72+2/45 40/72+14/9 40/72+2/63