Add 18/75 and 21/14
1st number: 18/75, 2nd number: 1 7/14
18/75 + 21/14 is 87/50.
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,
18/75 = 18 × 14/75 × 14 = 252/1050 - Likewise, for the 2nd fraction, since 14 × 75 = 1050,
21/14 = 21 × 75/14 × 75 = 1575/1050 - Add the two like fractions:
252/1050 + 1575/1050 = 252 + 1575/1050 = 1827/1050 - 1827/1050 simplified gives 87/50
- So, 18/75 + 21/14 = 87/50
In mixed form: 137/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/75+21/14 18/75+42/14 18/75+21/28 54/75+21/14 18/75+63/14 18/75+21/42 90/75+21/14 18/75+21/70 18/75+21/98