Add 70/12 and 28/8
1st number: 5 10/12, 2nd number: 3 4/8
70/12 + 28/8 is 28/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
70/12 = 70 × 2/12 × 2 = 140/24 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
28/8 = 28 × 3/8 × 3 = 84/24 - Add the two like fractions:
140/24 + 84/24 = 140 + 84/24 = 224/24 - 224/24 simplified gives 28/3
- So, 70/12 + 28/8 = 28/3
In mixed form: 91/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+56/8 70/24+28/8 70/12+28/16 70/12+84/8 70/36+28/8 70/12+28/24 70/60+28/8 70/12+28/40 70/84+28/8 70/12+28/56