Add 5/21 and 30/24
1st number: 5/21, 2nd number: 1 6/24
5/21 + 30/24 is 125/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 21 × 8 = 168,
5/21 = 5 × 8/21 × 8 = 40/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
30/24 = 30 × 7/24 × 7 = 210/168 - Add the two like fractions:
40/168 + 210/168 = 40 + 210/168 = 250/168 - 250/168 simplified gives 125/84
- So, 5/21 + 30/24 = 125/84
In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/21+30/24 5/21+60/24 5/42+30/24 5/21+30/48 15/21+30/24 5/21+90/24 5/63+30/24 5/21+30/72 25/21+30/24 35/21+30/24