Add 9/15 and 20/14
1st number: 9/15, 2nd number: 1 6/14
9/15 + 20/14 is 71/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 14 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
9/15 = 9 × 14/15 × 14 = 126/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
20/14 = 20 × 15/14 × 15 = 300/210 - Add the two like fractions:
126/210 + 300/210 = 126 + 300/210 = 426/210 - 426/210 simplified gives 71/35
- So, 9/15 + 20/14 = 71/35
In mixed form: 21/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/15+20/14 9/15+40/14 9/30+20/14 9/15+20/28 27/15+20/14 9/15+60/14 9/45+20/14 9/15+20/42 45/15+20/14 9/75+20/14 9/15+20/70 63/15+20/14 9/15+20/98