Add 63/42 and 21/50
1st number: 1 21/42, 2nd number: 21/50
63/42 + 21/50 is 48/25.
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,
63/42 = 63 × 25/42 × 25 = 1575/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
21/50 = 21 × 21/50 × 21 = 441/1050 - Add the two like fractions:
1575/1050 + 441/1050 = 1575 + 441/1050 = 2016/1050 - 2016/1050 simplified gives 48/25
- So, 63/42 + 21/50 = 48/25
In mixed form: 123/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+42/50 63/84+21/50 63/42+63/50