Add 42/36 and 20/9
1st number: 1 6/36, 2nd number: 2 2/9
42/36 + 20/9 is 61/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 9 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 36 × 1 = 36,
42/36 = 42 × 1/36 × 1 = 42/36 - Likewise, for the 2nd fraction, since 9 × 4 = 36,
20/9 = 20 × 4/9 × 4 = 80/36 - Add the two like fractions:
42/36 + 80/36 = 42 + 80/36 = 122/36 - 122/36 simplified gives 61/18
- So, 42/36 + 20/9 = 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: 84/36+20/9 42/36+40/9 42/72+20/9 42/36+20/18 42/36+60/9 42/36+20/27 42/36+20/45 42/36+20/63