Add 40/70 and 3/6
40/70 + 3/6 is 15/14.
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,
3/6 = 3 × 35/6 × 35 = 105/210 - Add the two like fractions:
120/210 + 105/210 = 120 + 105/210 = 225/210 - 225/210 simplified gives 15/14
- So, 40/70 + 3/6 = 15/14
In mixed form: 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+3/6 40/70+3/12 40/70+9/6 40/70+3/18 40/70+15/6 40/70+3/30 40/70+21/6 40/70+3/42