Add 40/3 and 70/45
1st number: 13 1/3, 2nd number: 1 25/45
40/3 + 70/45 is 134/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
40/3 = 40 × 15/3 × 15 = 600/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
70/45 = 70 × 1/45 × 1 = 70/45 - Add the two like fractions:
600/45 + 70/45 = 600 + 70/45 = 670/45 - 670/45 simplified gives 134/9
- So, 40/3 + 70/45 = 134/9
In mixed form: 148/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/3+70/45 40/6+70/45 40/3+70/90 40/9+70/45 40/15+70/45 40/21+70/45