Add 12/10 and 42/4
1st number: 1 2/10, 2nd number: 10 2/4
12/10 + 42/4 is 117/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 10 × 2 = 20,
12/10 = 12 × 2/10 × 2 = 24/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Add the two like fractions:
24/20 + 210/20 = 24 + 210/20 = 234/20 - 234/20 simplified gives 117/10
- So, 12/10 + 42/4 = 117/10
In mixed form: 117/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10+42/4 12/10+84/4 12/20+42/4 12/10+42/8 36/10+42/4 12/30+42/4 12/10+42/12 60/10+42/4 12/50+42/4 12/10+42/20 84/10+42/4 12/70+42/4 12/10+42/28