Add 21/60 and 24/14
1st number: 21/60, 2nd number: 1 10/14
21/60 + 24/14 is 289/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 14 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
21/60 = 21 × 7/60 × 7 = 147/420 - Likewise, for the 2nd fraction, since 14 × 30 = 420,
24/14 = 24 × 30/14 × 30 = 720/420 - Add the two like fractions:
147/420 + 720/420 = 147 + 720/420 = 867/420 - 867/420 simplified gives 289/140
- So, 21/60 + 24/14 = 289/140
In mixed form: 29/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60+24/14 21/60+48/14 21/60+24/28 63/60+24/14 21/60+72/14 21/60+24/42 21/60+24/70 21/60+24/98