Add 70/15 and 28/8
1st number: 4 10/15, 2nd number: 3 4/8
70/15 + 28/8 is 49/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
70/15 = 70 × 8/15 × 8 = 560/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
28/8 = 28 × 15/8 × 15 = 420/120 - Add the two like fractions:
560/120 + 420/120 = 560 + 420/120 = 980/120 - 980/120 simplified gives 49/6
- So, 70/15 + 28/8 = 49/6
In mixed form: 81/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+56/8 70/30+28/8 70/15+28/16 70/15+84/8 70/45+28/8 70/15+28/24 70/75+28/8 70/15+28/40 70/15+28/56