Add 28/3 and 70/40
1st number: 9 1/3, 2nd number: 1 30/40
28/3 + 70/40 is 133/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
28/3 = 28 × 40/3 × 40 = 1120/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Add the two like fractions:
1120/120 + 210/120 = 1120 + 210/120 = 1330/120 - 1330/120 simplified gives 133/12
- So, 28/3 + 70/40 = 133/12
In mixed form: 111/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/3+70/40 28/6+70/40 28/3+70/80 84/3+70/40 28/9+70/40 28/15+70/40 28/21+70/40