Add 42/35 and 3/42
1st number: 1 7/35, 2nd number: 3/42
42/35 + 3/42 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
42/35 = 42 × 6/35 × 6 = 252/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Add the two like fractions:
252/210 + 15/210 = 252 + 15/210 = 267/210 - 267/210 simplified gives 89/70
- So, 42/35 + 3/42 = 89/70
In mixed form: 119/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/35+3/42 42/35+6/42 42/70+3/42 42/35+3/84 42/35+9/42 42/35+15/42 42/35+21/42