Add 9/42 and 63/35
1st number: 9/42, 2nd number: 1 28/35
9/42 + 63/35 is 141/70.
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,
9/42 = 9 × 5/42 × 5 = 45/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
63/35 = 63 × 6/35 × 6 = 378/210 - Add the two like fractions:
45/210 + 378/210 = 45 + 378/210 = 423/210 - 423/210 simplified gives 141/70
- So, 9/42 + 63/35 = 141/70
In mixed form: 21/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/42+63/35 9/84+63/35 9/42+63/70 27/42+63/35 45/42+63/35 63/42+63/35