Add 70/3 and 90/5
1st number: 23 1/3, 2nd number: 18 0/5
70/3 + 90/5 is 124/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 3 × 5 = 15,
70/3 = 70 × 5/3 × 5 = 350/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
90/5 = 90 × 3/5 × 3 = 270/15 - Add the two like fractions:
350/15 + 270/15 = 350 + 270/15 = 620/15 - 620/15 simplified gives 124/3
- So, 70/3 + 90/5 = 124/3
In mixed form: 411/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+90/5 70/3+90/10 70/9+90/5 70/3+90/15 70/15+90/5 70/3+90/25 70/21+90/5 70/3+90/35