Add 28/45 and 40/60
28/45 + 40/60 is 58/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
28/45 = 28 × 4/45 × 4 = 112/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
40/60 = 40 × 3/60 × 3 = 120/180 - Add the two like fractions:
112/180 + 120/180 = 112 + 120/180 = 232/180 - 232/180 simplified gives 58/45
- So, 28/45 + 40/60 = 58/45
In mixed form: 113/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/45+40/60 28/45+80/60 28/90+40/60 84/45+40/60