Add 4/3 and 70/90
1st number: 1 1/3, 2nd number: 70/90
4/3 + 70/90 is 19/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
4/3 = 4 × 30/3 × 30 = 120/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
120/90 + 70/90 = 120 + 70/90 = 190/90 - 190/90 simplified gives 19/9
- So, 4/3 + 70/90 = 19/9
In mixed form: 21/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/3+70/90 4/6+70/90 12/3+70/90 4/9+70/90 20/3+70/90 4/15+70/90 28/3+70/90 4/21+70/90