Add 42/5 and 4/12
1st number: 8 2/5, 2nd number: 4/12
42/5 + 4/12 is 131/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
42/5 = 42 × 12/5 × 12 = 504/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Add the two like fractions:
504/60 + 20/60 = 504 + 20/60 = 524/60 - 524/60 simplified gives 131/15
- So, 42/5 + 4/12 = 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: 84/5+4/12 42/5+8/12 42/10+4/12 42/5+4/24 42/15+4/12 42/5+4/36 42/5+20/12 42/25+4/12 42/5+4/60 42/5+28/12 42/35+4/12 42/5+4/84