Add 20/9 and 42/36
1st number: 2 2/9, 2nd number: 1 6/36
20/9 + 42/36 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 36 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
20/9 = 20 × 4/9 × 4 = 80/36 - Likewise, for the 2nd fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Add the two like fractions:
80/36 + 42/36 = 80 + 42/36 = 122/36 - 122/36 simplified gives 61/18
- So, 20/9 + 42/36 = 61/18
In mixed form: 37/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/9+42/36 20/9+84/36 20/18+42/36 20/9+42/72 60/9+42/36 20/27+42/36 20/45+42/36 20/63+42/36