Add 12/21 and 75/50
1st number: 12/21, 2nd number: 1 25/50
12/21 + 75/50 is 29/14.
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,
12/21 = 12 × 50/21 × 50 = 600/1050 - Likewise, for the 2nd fraction, since 50 × 21 = 1050,
75/50 = 75 × 21/50 × 21 = 1575/1050 - Add the two like fractions:
600/1050 + 1575/1050 = 600 + 1575/1050 = 2175/1050 - 2175/1050 simplified gives 29/14
- So, 12/21 + 75/50 = 29/14
In mixed form: 21/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/21+75/50 12/42+75/50 36/21+75/50 12/63+75/50 60/21+75/50 84/21+75/50