Add 2/45 and 20/36
2/45 + 20/36 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
20/36 = 20 × 5/36 × 5 = 100/180 - Add the two like fractions:
8/180 + 100/180 = 8 + 100/180 = 108/180 - 108/180 simplified gives 3/5
- So, 2/45 + 20/36 = 3/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/45+20/36 2/45+40/36 2/90+20/36 2/45+20/72 6/45+20/36 2/45+60/36 10/45+20/36 14/45+20/36