Add 12/36 and 2/45
12/36 + 2/45 is 17/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
12/36 = 12 × 5/36 × 5 = 60/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
2/45 = 2 × 4/45 × 4 = 8/180 - Add the two like fractions:
60/180 + 8/180 = 60 + 8/180 = 68/180 - 68/180 simplified gives 17/45
- So, 12/36 + 2/45 = 17/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/36+2/45 12/36+4/45 12/72+2/45 12/36+2/90 12/36+6/45 60/36+2/45 12/36+10/45 84/36+2/45 12/36+14/45