Add 40/45 and 70/15
1st number: 40/45, 2nd number: 4 10/15
40/45 + 70/15 is 50/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
40/45 = 40 × 1/45 × 1 = 40/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
70/15 = 70 × 3/15 × 3 = 210/45 - Add the two like fractions:
40/45 + 210/45 = 40 + 210/45 = 250/45 - 250/45 simplified gives 50/9
- So, 40/45 + 70/15 = 50/9
In mixed form: 55/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/45+70/15 40/90+70/15 40/45+70/30 40/45+70/45 40/45+70/75