Add 21/42 and 6/25
21/42 + 6/25 is 37/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 25 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 25 × 42 = 1050,
6/25 = 6 × 42/25 × 42 = 252/1050 - Add the two like fractions:
525/1050 + 252/1050 = 525 + 252/1050 = 777/1050 - 777/1050 simplified gives 37/50
- So, 21/42 + 6/25 = 37/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 21/42+12/25 21/84+6/25 21/42+6/50 63/42+6/25 21/42+18/25 21/42+6/75 21/42+30/25 21/42+42/25