Add 40/90 and 8/3
1st number: 40/90, 2nd number: 2 2/3
40/90 + 8/3 is 28/9.
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,
8/3 = 8 × 30/3 × 30 = 240/90 - Add the two like fractions:
40/90 + 240/90 = 40 + 240/90 = 280/90 - 280/90 simplified gives 28/9
- So, 40/90 + 8/3 = 28/9
In mixed form: 31/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/90+8/3 40/90+16/3 40/90+8/6 40/90+24/3 40/90+8/9 40/90+40/3 40/90+8/15 40/90+56/3 40/90+8/21