Add 80/42 and 2/9
1st number: 1 38/42, 2nd number: 2/9
80/42 + 2/9 is 134/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
80/42 = 80 × 3/42 × 3 = 240/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
2/9 = 2 × 14/9 × 14 = 28/126 - Add the two like fractions:
240/126 + 28/126 = 240 + 28/126 = 268/126 - 268/126 simplified gives 134/63
- So, 80/42 + 2/9 = 134/63
In mixed form: 28/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+4/9 80/84+2/9 80/42+2/18 80/42+6/9 80/42+2/27 80/42+10/9 80/42+2/45 80/42+14/9 80/42+2/63