Add 7/8 and 21/50
7/8 + 21/50 is 259/200.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 8 × 25 = 200,
7/8 = 7 × 25/8 × 25 = 175/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Add the two like fractions:
175/200 + 84/200 = 175 + 84/200 = 259/200 - So, 7/8 + 21/50 = 259/200
In mixed form: 159/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/8+21/50 7/8+42/50 7/16+21/50 21/8+21/50 7/8+63/50 7/24+21/50 35/8+21/50 7/40+21/50 49/8+21/50 7/56+21/50