Add 15/20 and 56/14
1st number: 15/20, 2nd number: 4 0/14
15/20 + 56/14 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
15/20 = 15 × 7/20 × 7 = 105/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
56/14 = 56 × 10/14 × 10 = 560/140 - Add the two like fractions:
105/140 + 560/140 = 105 + 560/140 = 665/140 - 665/140 simplified gives 19/4
- So, 15/20 + 56/14 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/20+56/14 15/40+56/14 15/20+56/28 45/20+56/14 15/60+56/14 15/20+56/42 75/20+56/14 15/20+56/70 15/20+56/98