Add 21/75 and 42/14
1st number: 21/75, 2nd number: 3 0/14
21/75 + 42/14 is 82/25.
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,
21/75 = 21 × 14/75 × 14 = 294/1050 - Likewise, for the 2nd fraction, since 14 × 75 = 1050,
42/14 = 42 × 75/14 × 75 = 3150/1050 - Add the two like fractions:
294/1050 + 3150/1050 = 294 + 3150/1050 = 3444/1050 - 3444/1050 simplified gives 82/25
- So, 21/75 + 42/14 = 82/25
In mixed form: 37/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+42/14 21/75+84/14 21/75+42/28 63/75+42/14 21/75+42/70 21/75+42/98