Add 2/9 and 84/42
1st number: 2/9, 2nd number: 2 0/42
2/9 + 84/42 is 20/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
2/9 = 2 × 14/9 × 14 = 28/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
84/42 = 84 × 3/42 × 3 = 252/126 - Add the two like fractions:
28/126 + 252/126 = 28 + 252/126 = 280/126 - 280/126 simplified gives 20/9
- So, 2/9 + 84/42 = 20/9
In mixed form: 22/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/9+84/42 2/18+84/42 6/9+84/42 2/27+84/42 10/9+84/42 2/45+84/42 14/9+84/42 2/63+84/42