Add 21/24 and 30/5
1st number: 21/24, 2nd number: 6 0/5
21/24 + 30/5 is 55/8.
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,
30/5 = 30 × 24/5 × 24 = 720/120 - Add the two like fractions:
105/120 + 720/120 = 105 + 720/120 = 825/120 - 825/120 simplified gives 55/8
- So, 21/24 + 30/5 = 55/8
In mixed form: 67/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/24+30/5 21/24+60/5 21/48+30/5 21/24+30/10 63/24+30/5 21/24+90/5 21/72+30/5 21/24+30/15 21/24+30/25 21/24+30/35