Add 30/18 and 70/24
1st number: 1 12/18, 2nd number: 2 22/24
30/18 + 70/24 is 55/12.
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,
30/18 = 30 × 4/18 × 4 = 120/72 - Likewise, for the 2nd fraction, since 24 × 3 = 72,
70/24 = 70 × 3/24 × 3 = 210/72 - Add the two like fractions:
120/72 + 210/72 = 120 + 210/72 = 330/72 - 330/72 simplified gives 55/12
- So, 30/18 + 70/24 = 55/12
In mixed form: 47/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+70/24 30/36+70/24 30/18+70/48 90/18+70/24 30/54+70/24 30/18+70/72 30/90+70/24