Add 42/12 and 28/10
1st number: 3 6/12, 2nd number: 2 8/10
42/12 + 28/10 is 63/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
42/12 = 42 × 5/12 × 5 = 210/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
28/10 = 28 × 6/10 × 6 = 168/60 - Add the two like fractions:
210/60 + 168/60 = 210 + 168/60 = 378/60 - 378/60 simplified gives 63/10
- So, 42/12 + 28/10 = 63/10
In mixed form: 63/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/12+28/10 42/12+56/10 42/24+28/10 42/12+28/20 42/12+84/10 42/36+28/10 42/12+28/30 42/60+28/10 42/12+28/50 42/84+28/10 42/12+28/70