Add 20/12 and 8/14
1st number: 1 8/12, 2nd number: 8/14
20/12 + 8/14 is 47/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
20/12 = 20 × 7/12 × 7 = 140/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
8/14 = 8 × 6/14 × 6 = 48/84 - Add the two like fractions:
140/84 + 48/84 = 140 + 48/84 = 188/84 - 188/84 simplified gives 47/21
- So, 20/12 + 8/14 = 47/21
In mixed form: 25/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/12+8/14 20/12+16/14 20/24+8/14 20/12+8/28 60/12+8/14 20/12+24/14 20/36+8/14 20/12+8/42 20/12+40/14 20/60+8/14 20/12+8/70 20/12+56/14 20/84+8/14 20/12+8/98