Add 84/70 and 6/42
1st number: 1 14/70, 2nd number: 6/42
84/70 + 6/42 is 47/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
84/70 = 84 × 3/70 × 3 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
6/42 = 6 × 5/42 × 5 = 30/210 - Add the two like fractions:
252/210 + 30/210 = 252 + 30/210 = 282/210 - 282/210 simplified gives 47/35
- So, 84/70 + 6/42 = 47/35
In mixed form: 112/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+12/42 84/70+6/84 84/70+18/42 84/70+30/42