Add 42/10 and 4/12
1st number: 4 2/10, 2nd number: 4/12
42/10 + 4/12 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
42/10 = 42 × 6/10 × 6 = 252/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
4/12 = 4 × 5/12 × 5 = 20/60 - Add the two like fractions:
252/60 + 20/60 = 252 + 20/60 = 272/60 - 272/60 simplified gives 68/15
- So, 42/10 + 4/12 = 68/15
In mixed form: 48/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+4/12 42/10+8/12 42/20+4/12 42/10+4/24 42/30+4/12 42/10+4/36 42/10+20/12 42/50+4/12 42/10+4/60 42/10+28/12 42/70+4/12 42/10+4/84