Add 75/40 and 21/50
1st number: 1 35/40, 2nd number: 21/50
75/40 + 21/50 is 459/200.
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,
75/40 = 75 × 5/40 × 5 = 375/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Add the two like fractions:
375/200 + 84/200 = 375 + 84/200 = 459/200 - So, 75/40 + 21/50 = 459/200
In mixed form: 259/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/40+42/50 75/80+21/50 75/40+63/50