Add 21/24 and 10/5
1st number: 21/24, 2nd number: 2 0/5
21/24 + 10/5 is 23/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 5 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
10/5 = 10 × 24/5 × 24 = 240/120 - Add the two like fractions:
105/120 + 240/120 = 105 + 240/120 = 345/120 - 345/120 simplified gives 23/8
- So, 21/24 + 10/5 = 23/8
In mixed form: 27/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+10/5 21/24+20/5 21/48+10/5 63/24+10/5 21/24+30/5 21/72+10/5 21/24+10/15 21/24+50/5 21/24+10/25 21/24+70/5 21/24+10/35