Add 36/3 and 20/45
1st number: 12 0/3, 2nd number: 20/45
36/3 + 20/45 is 112/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
36/3 = 36 × 15/3 × 15 = 540/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
20/45 = 20 × 1/45 × 1 = 20/45 - Add the two like fractions:
540/45 + 20/45 = 540 + 20/45 = 560/45 - 560/45 simplified gives 112/9
- So, 36/3 + 20/45 = 112/9
In mixed form: 124/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3+20/45 36/3+40/45 36/6+20/45 36/3+20/90 36/3+60/45 36/9+20/45 36/15+20/45 36/21+20/45