Add 12/35 and 42/10
1st number: 12/35, 2nd number: 4 2/10
12/35 + 42/10 is 159/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 35 × 2 = 70,
12/35 = 12 × 2/35 × 2 = 24/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
42/10 = 42 × 7/10 × 7 = 294/70 - Add the two like fractions:
24/70 + 294/70 = 24 + 294/70 = 318/70 - 318/70 simplified gives 159/35
- So, 12/35 + 42/10 = 159/35
In mixed form: 419/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35+42/10 12/35+84/10 12/70+42/10 12/35+42/20 36/35+42/10 12/35+42/30 60/35+42/10 12/35+42/50 84/35+42/10 12/35+42/70