Add 90/20 and 8/3
1st number: 4 10/20, 2nd number: 2 2/3
90/20 + 8/3 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 3 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
90/20 = 90 × 3/20 × 3 = 270/60 - Likewise, for the 2nd fraction, since 3 × 20 = 60,
8/3 = 8 × 20/3 × 20 = 160/60 - Add the two like fractions:
270/60 + 160/60 = 270 + 160/60 = 430/60 - 430/60 simplified gives 43/6
- So, 90/20 + 8/3 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+16/3 90/40+8/3 90/20+8/6 90/20+24/3 90/60+8/3 90/20+8/9 90/20+40/3 90/20+8/15 90/20+56/3 90/20+8/21