Add 15/24 and 42/5
1st number: 15/24, 2nd number: 8 2/5
15/24 + 42/5 is 361/40.
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,
15/24 = 15 × 5/24 × 5 = 75/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
42/5 = 42 × 24/5 × 24 = 1008/120 - Add the two like fractions:
75/120 + 1008/120 = 75 + 1008/120 = 1083/120 - 1083/120 simplified gives 361/40
- So, 15/24 + 42/5 = 361/40
In mixed form: 91/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/24+42/5 15/24+84/5 15/48+42/5 15/24+42/10 45/24+42/5 15/72+42/5 15/24+42/15 75/24+42/5 15/24+42/25 15/24+42/35