Add 21/50 and 28/8
1st number: 21/50, 2nd number: 3 4/8
21/50 + 28/8 is 98/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 8 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Likewise, for the 2nd fraction, since 8 × 25 = 200,
28/8 = 28 × 25/8 × 25 = 700/200 - Add the two like fractions:
84/200 + 700/200 = 84 + 700/200 = 784/200 - 784/200 simplified gives 98/25
- So, 21/50 + 28/8 = 98/25
In mixed form: 323/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+28/8 21/50+56/8 21/50+28/16 63/50+28/8 21/50+84/8 21/50+28/24 21/50+28/40 21/50+28/56