Add 63/42 and 3/35
1st number: 1 21/42, 2nd number: 3/35
63/42 + 3/35 is 111/70.
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,
63/42 = 63 × 5/42 × 5 = 315/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
3/35 = 3 × 6/35 × 6 = 18/210 - Add the two like fractions:
315/210 + 18/210 = 315 + 18/210 = 333/210 - 333/210 simplified gives 111/70
- So, 63/42 + 3/35 = 111/70
In mixed form: 141/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/42+6/35 63/84+3/35 63/42+3/70 63/42+9/35 63/42+15/35 63/42+21/35