Add 20/5 and 28/14
1st number: 4 0/5, 2nd number: 2 0/14
20/5 + 28/14 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
20/5 = 20 × 14/5 × 14 = 280/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
28/14 = 28 × 5/14 × 5 = 140/70 - Add the two like fractions:
280/70 + 140/70 = 280 + 140/70 = 420/70 - 420/70 simplified gives 6/1
- So, 20/5 + 28/14 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/5+28/14 20/5+56/14 20/10+28/14 60/5+28/14 20/5+84/14 20/15+28/14 20/5+28/42 20/25+28/14 20/5+28/70 20/35+28/14 20/5+28/98