Add 21/7 and 5/24
1st number: 3 0/7, 2nd number: 5/24
21/7 + 5/24 is 77/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 24 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 7 × 24 = 168,
21/7 = 21 × 24/7 × 24 = 504/168 - Likewise, for the 2nd fraction, since 24 × 7 = 168,
5/24 = 5 × 7/24 × 7 = 35/168 - Add the two like fractions:
504/168 + 35/168 = 504 + 35/168 = 539/168 - 539/168 simplified gives 77/24
- So, 21/7 + 5/24 = 77/24
In mixed form: 35/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/7+5/24 21/7+10/24 21/14+5/24 21/7+5/48 63/7+5/24 21/7+15/24 21/7+5/72 21/7+25/24 21/35+5/24 21/7+35/24 21/49+5/24