Add 6/12 and 20/70
6/12 + 20/70 is 11/14.
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,
20/70 = 20 × 6/70 × 6 = 120/420 - Add the two like fractions:
210/420 + 120/420 = 210 + 120/420 = 330/420 - 330/420 simplified gives 11/14
- So, 6/12 + 20/70 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/12+40/70 6/24+20/70 18/12+20/70 6/12+60/70 6/36+20/70 30/12+20/70 6/60+20/70 42/12+20/70 6/84+20/70