Add 50/21 and 75/50
1st number: 2 8/21, 2nd number: 1 25/50
50/21 + 75/50 is 163/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 50 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 21 × 50 = 1050,
50/21 = 50 × 50/21 × 50 = 2500/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
75/50 = 75 × 21/50 × 21 = 1575/1050 - Add the two like fractions:
2500/1050 + 1575/1050 = 2500 + 1575/1050 = 4075/1050 - 4075/1050 simplified gives 163/42
- So, 50/21 + 75/50 = 163/42
In mixed form: 337/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+75/50 50/63+75/50