Add 28/40 and 28/50
28/40 + 28/50 is 63/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
28/40 = 28 × 5/40 × 5 = 140/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
28/50 = 28 × 4/50 × 4 = 112/200 - Add the two like fractions:
140/200 + 112/200 = 140 + 112/200 = 252/200 - 252/200 simplified gives 63/50
- So, 28/40 + 28/50 = 63/50
In mixed form: 113/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+28/50 28/40+56/50 28/80+28/50 84/40+28/50 28/40+84/50