Add 40/18 and 7/72
1st number: 2 4/18, 2nd number: 7/72
40/18 + 7/72 is 167/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
40/18 = 40 × 4/18 × 4 = 160/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Add the two like fractions:
160/72 + 7/72 = 160 + 7/72 = 167/72 - So, 40/18 + 7/72 = 167/72
In mixed form: 223/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+7/72 40/18+14/72 40/36+7/72 40/18+21/72 40/54+7/72 40/18+35/72 40/90+7/72 40/18+49/72