Add 63/42 and 6/70
1st number: 1 21/42, 2nd number: 6/70
63/42 + 6/70 is 111/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 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 70 × 3 = 210,
6/70 = 6 × 3/70 × 3 = 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 + 6/70 = 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+12/70 63/84+6/70 63/42+18/70 63/42+30/70 63/42+42/70