Add 40/18 and 98/72
1st number: 2 4/18, 2nd number: 1 26/72
40/18 + 98/72 is 43/12.
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,
98/72 = 98 × 1/72 × 1 = 98/72 - Add the two like fractions:
160/72 + 98/72 = 160 + 98/72 = 258/72 - 258/72 simplified gives 43/12
- So, 40/18 + 98/72 = 43/12
In mixed form: 37/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+98/72 40/36+98/72 40/54+98/72 40/90+98/72