Add 15/18 and 70/24
1st number: 15/18, 2nd number: 2 22/24
15/18 + 70/24 is 15/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 24 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
15/18 = 15 × 4/18 × 4 = 60/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
70/24 = 70 × 3/24 × 3 = 210/72 - Add the two like fractions:
60/72 + 210/72 = 60 + 210/72 = 270/72 - 270/72 simplified gives 15/4
- So, 15/18 + 70/24 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+70/24 15/36+70/24 15/18+70/48 45/18+70/24 15/54+70/24 15/18+70/72 75/18+70/24 15/90+70/24