Add 1/36 and 28/45
1/36 + 28/45 is 13/20.
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,
1/36 = 1 × 5/36 × 5 = 5/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Add the two like fractions:
5/180 + 112/180 = 5 + 112/180 = 117/180 - 117/180 simplified gives 13/20
- So, 1/36 + 28/45 = 13/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/36+28/45 1/36+56/45 1/72+28/45 1/36+28/90 3/36+28/45 1/36+84/45 5/36+28/45 7/36+28/45