Add 6/12 and 63/70
6/12 + 63/70 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
6/12 = 6 × 35/12 × 35 = 210/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
63/70 = 63 × 6/70 × 6 = 378/420 - Add the two like fractions:
210/420 + 378/420 = 210 + 378/420 = 588/420 - 588/420 simplified gives 7/5
- So, 6/12 + 63/70 = 7/5
In mixed form: 12/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24+63/70 18/12+63/70 6/36+63/70 30/12+63/70 6/60+63/70 42/12+63/70 6/84+63/70