Add 84/70 and 6/7
1st number: 1 14/70, 2nd number: 6/7
84/70 + 6/7 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
84/70 = 84 × 1/70 × 1 = 84/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
6/7 = 6 × 10/7 × 10 = 60/70 - Add the two like fractions:
84/70 + 60/70 = 84 + 60/70 = 144/70 - 144/70 simplified gives 72/35
- So, 84/70 + 6/7 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+12/7 84/70+6/14 84/70+18/7 84/70+6/21 84/70+30/7 84/70+6/35 84/70+42/7 84/70+6/49