Add 84/70 and 8/7
1st number: 1 14/70, 2nd number: 1 1/7
84/70 + 8/7 is 82/35.
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,
8/7 = 8 × 10/7 × 10 = 80/70 - Add the two like fractions:
84/70 + 80/70 = 84 + 80/70 = 164/70 - 164/70 simplified gives 82/35
- So, 84/70 + 8/7 = 82/35
In mixed form: 212/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+16/7 84/70+8/14 84/70+24/7 84/70+8/21 84/70+40/7 84/70+8/35 84/70+56/7 84/70+8/49