Add 28/36 and 28/45
28/36 + 28/45 is 7/5.
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,
28/36 = 28 × 5/36 × 5 = 140/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Add the two like fractions:
140/180 + 112/180 = 140 + 112/180 = 252/180 - 252/180 simplified gives 7/5
- So, 28/36 + 28/45 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+28/45 28/36+56/45 28/72+28/45 28/36+28/90 84/36+28/45 28/36+84/45