Add 40/70 and 15/6
1st number: 40/70, 2nd number: 2 3/6
40/70 + 15/6 is 43/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
40/70 = 40 × 3/70 × 3 = 120/210 - Likewise, for the 2nd fraction, since 6 × 35 = 210,
15/6 = 15 × 35/6 × 35 = 525/210 - Add the two like fractions:
120/210 + 525/210 = 120 + 525/210 = 645/210 - 645/210 simplified gives 43/14
- So, 40/70 + 15/6 = 43/14
In mixed form: 31/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+15/6 40/70+30/6 40/70+15/12 40/70+45/6 40/70+15/18 40/70+75/6 40/70+15/30 40/70+15/42