Add 3/42 and 54/35
1st number: 3/42, 2nd number: 1 19/35
3/42 + 54/35 is 113/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
3/42 = 3 × 5/42 × 5 = 15/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
54/35 = 54 × 6/35 × 6 = 324/210 - Add the two like fractions:
15/210 + 324/210 = 15 + 324/210 = 339/210 - 339/210 simplified gives 113/70
- So, 3/42 + 54/35 = 113/70
In mixed form: 143/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/42+54/35 3/84+54/35 3/42+54/70 9/42+54/35 15/42+54/35 21/42+54/35