Add 21/50 and 30/36
21/50 + 30/36 is 94/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 50 × 18 = 900,
21/50 = 21 × 18/50 × 18 = 378/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
30/36 = 30 × 25/36 × 25 = 750/900 - Add the two like fractions:
378/900 + 750/900 = 378 + 750/900 = 1128/900 - 1128/900 simplified gives 94/75
- So, 21/50 + 30/36 = 94/75
In mixed form: 119/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/50+30/36 21/50+60/36 21/50+30/72 63/50+30/36 21/50+90/36