Add 24/21 and 21/10
1st number: 1 3/21, 2nd number: 2 1/10
24/21 + 21/10 is 227/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
24/21 = 24 × 10/21 × 10 = 240/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
21/10 = 21 × 21/10 × 21 = 441/210 - Add the two like fractions:
240/210 + 441/210 = 240 + 441/210 = 681/210 - 681/210 simplified gives 227/70
- So, 24/21 + 21/10 = 227/70
In mixed form: 317/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/21+21/10 24/21+42/10 24/42+21/10 24/21+21/20 72/21+21/10 24/21+63/10 24/63+21/10 24/21+21/30 24/21+21/50 24/21+21/70