Add 70/6 and 40/84
1st number: 11 4/6, 2nd number: 40/84
70/6 + 40/84 is 85/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 6 × 14 = 84,
70/6 = 70 × 14/6 × 14 = 980/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Add the two like fractions:
980/84 + 40/84 = 980 + 40/84 = 1020/84 - 1020/84 simplified gives 85/7
- So, 70/6 + 40/84 = 85/7
In mixed form: 121/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+80/84 70/12+40/84 70/18+40/84 70/30+40/84 70/42+40/84