Add 21/42 and 3/50
21/42 + 3/50 is 14/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 42 × 25 = 1050,
21/42 = 21 × 25/42 × 25 = 525/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
3/50 = 3 × 21/50 × 21 = 63/1050 - Add the two like fractions:
525/1050 + 63/1050 = 525 + 63/1050 = 588/1050 - 588/1050 simplified gives 14/25
- So, 21/42 + 3/50 = 14/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42+6/50 21/84+3/50 63/42+3/50 21/42+9/50 21/42+15/50 21/42+21/50