Add 40/70 and 84/6
1st number: 40/70, 2nd number: 14 0/6
40/70 + 84/6 is 102/7.
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,
84/6 = 84 × 35/6 × 35 = 2940/210 - Add the two like fractions:
120/210 + 2940/210 = 120 + 2940/210 = 3060/210 - 3060/210 simplified gives 102/7
- So, 40/70 + 84/6 = 102/7
In mixed form: 144/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+84/6 40/70+84/12 40/70+84/18 40/70+84/30 40/70+84/42