Add 28/36 and 25/45
28/36 + 25/45 is 4/3.
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,
25/45 = 25 × 4/45 × 4 = 100/180 - Add the two like fractions:
140/180 + 100/180 = 140 + 100/180 = 240/180 - 240/180 simplified gives 4/3
- So, 28/36 + 25/45 = 4/3
In mixed form: 11/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+25/45 28/36+50/45 28/72+25/45 28/36+25/90 84/36+25/45 28/36+75/45