Add 40/90 and 40/3
1st number: 40/90, 2nd number: 13 1/3
40/90 + 40/3 is 124/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 3 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Likewise, for the 2nd fraction, since 3 × 30 = 90,
40/3 = 40 × 30/3 × 30 = 1200/90 - Add the two like fractions:
40/90 + 1200/90 = 40 + 1200/90 = 1240/90 - 1240/90 simplified gives 124/9
- So, 40/90 + 40/3 = 124/9
In mixed form: 137/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+40/3 40/90+80/3 40/90+40/6 40/90+40/9 40/90+40/15 40/90+40/21