Add 15/70 and 6/4
1st number: 15/70, 2nd number: 1 2/4
15/70 + 6/4 is 12/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
15/70 = 15 × 2/70 × 2 = 30/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
6/4 = 6 × 35/4 × 35 = 210/140 - Add the two like fractions:
30/140 + 210/140 = 30 + 210/140 = 240/140 - 240/140 simplified gives 12/7
- So, 15/70 + 6/4 = 12/7
In mixed form: 15/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70+6/4 15/70+12/4 15/70+6/8 45/70+6/4 15/70+18/4 15/70+6/12 75/70+6/4 15/70+30/4 15/70+6/20 15/70+42/4 15/70+6/28