Add 10/3 and 70/40
1st number: 3 1/3, 2nd number: 1 30/40
10/3 + 70/40 is 61/12.
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,
10/3 = 10 × 40/3 × 40 = 400/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
70/40 = 70 × 3/40 × 3 = 210/120 - Add the two like fractions:
400/120 + 210/120 = 400 + 210/120 = 610/120 - 610/120 simplified gives 61/12
- So, 10/3 + 70/40 = 61/12
In mixed form: 51/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/3+70/40 10/6+70/40 10/3+70/80 30/3+70/40 10/9+70/40 50/3+70/40 10/15+70/40 70/3+70/40 10/21+70/40