Add 80/70 and 2/84
1st number: 1 10/70, 2nd number: 2/84
80/70 + 2/84 is 7/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 70 × 6 = 420,
80/70 = 80 × 6/70 × 6 = 480/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Add the two like fractions:
480/420 + 10/420 = 480 + 10/420 = 490/420 - 490/420 simplified gives 7/6
- So, 80/70 + 2/84 = 7/6
In mixed form: 11/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+4/84 80/70+6/84 80/70+10/84 80/70+14/84