Add 3/15 and 70/8
1st number: 3/15, 2nd number: 8 6/8
3/15 + 70/8 is 179/20.
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,
3/15 = 3 × 8/15 × 8 = 24/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
70/8 = 70 × 15/8 × 15 = 1050/120 - Add the two like fractions:
24/120 + 1050/120 = 24 + 1050/120 = 1074/120 - 1074/120 simplified gives 179/20
- So, 3/15 + 70/8 = 179/20
In mixed form: 819/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+70/8 3/30+70/8 3/15+70/16 9/15+70/8 3/45+70/8 3/15+70/24 3/75+70/8 3/15+70/40 21/15+70/8 3/15+70/56