Add 4/12 and 42/5
1st number: 4/12, 2nd number: 8 2/5
4/12 + 42/5 is 131/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 5 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
42/5 = 42 × 12/5 × 12 = 504/60 - Add the two like fractions:
20/60 + 504/60 = 20 + 504/60 = 524/60 - 524/60 simplified gives 131/15
- So, 4/12 + 42/5 = 131/15
In mixed form: 811/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/12+42/5 4/12+84/5 4/24+42/5 4/12+42/10 4/36+42/5 4/12+42/15 20/12+42/5 4/60+42/5 4/12+42/25 28/12+42/5 4/84+42/5 4/12+42/35