Add 1/12 and 42/5
1st number: 1/12, 2nd number: 8 2/5
1/12 + 42/5 is 509/60.
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,
1/12 = 1 × 5/12 × 5 = 5/60 - Likewise, for the 2nd fraction, since 5 × 12 = 60,
42/5 = 42 × 12/5 × 12 = 504/60 - Add the two like fractions:
5/60 + 504/60 = 5 + 504/60 = 509/60 - So, 1/12 + 42/5 = 509/60
In mixed form: 829/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/12+42/5 1/12+84/5 1/24+42/5 1/12+42/10 3/12+42/5 1/36+42/5 1/12+42/15 5/12+42/5 1/60+42/5 1/12+42/25 7/12+42/5 1/84+42/5 1/12+42/35