Add 54/75 and 21/14
1st number: 54/75, 2nd number: 1 7/14
54/75 + 21/14 is 111/50.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 14 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
54/75 = 54 × 14/75 × 14 = 756/1050 - Likewise, for the 2nd fraction, since 14 × 75 = 1050,
21/14 = 21 × 75/14 × 75 = 1575/1050 - Add the two like fractions:
756/1050 + 1575/1050 = 756 + 1575/1050 = 2331/1050 - 2331/1050 simplified gives 111/50
- So, 54/75 + 21/14 = 111/50
In mixed form: 211/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/75+42/14 54/75+21/28 54/75+63/14 54/75+21/42 54/75+21/70 54/75+21/98