Add 15/12 and 70/4
1st number: 1 3/12, 2nd number: 17 2/4
15/12 + 70/4 is 75/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 12 × 1 = 12,
15/12 = 15 × 1/12 × 1 = 15/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Add the two like fractions:
15/12 + 210/12 = 15 + 210/12 = 225/12 - 225/12 simplified gives 75/4
- So, 15/12 + 70/4 = 75/4
In mixed form: 183/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/12+70/4 15/24+70/4 15/12+70/8 45/12+70/4 15/36+70/4 15/12+70/12 75/12+70/4 15/60+70/4 15/12+70/20 15/84+70/4 15/12+70/28