Add 12/24 and 42/5
1st number: 12/24, 2nd number: 8 2/5
12/24 + 42/5 is 89/10.
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,
12/24 = 12 × 5/24 × 5 = 60/120 - Likewise, for the 2nd fraction, since 5 × 24 = 120,
42/5 = 42 × 24/5 × 24 = 1008/120 - Add the two like fractions:
60/120 + 1008/120 = 60 + 1008/120 = 1068/120 - 1068/120 simplified gives 89/10
- So, 12/24 + 42/5 = 89/10
In mixed form: 89/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/24+84/5 12/48+42/5 12/24+42/10 36/24+42/5 12/72+42/5 12/24+42/15 60/24+42/5 12/24+42/25 84/24+42/5 12/24+42/35