Add 40/72 and 1/18
40/72 + 1/18 is 11/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 18 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 18 × 4 = 72,
1/18 = 1 × 4/18 × 4 = 4/72 - Add the two like fractions:
40/72 + 4/72 = 40 + 4/72 = 44/72 - 44/72 simplified gives 11/18
- So, 40/72 + 1/18 = 11/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/72+1/18 40/72+2/18 40/72+1/36 40/72+3/18 40/72+1/54 40/72+5/18 40/72+1/90 40/72+7/18