Add 9/14 and 40/15
1st number: 9/14, 2nd number: 2 10/15
9/14 + 40/15 is 139/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 14 × 15 = 210,
9/14 = 9 × 15/14 × 15 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210 - Add the two like fractions:
135/210 + 560/210 = 135 + 560/210 = 695/210 - 695/210 simplified gives 139/42
- So, 9/14 + 40/15 = 139/42
In mixed form: 313/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/14+40/15 9/14+80/15 9/28+40/15 9/14+40/30 27/14+40/15 9/42+40/15 9/14+40/45 45/14+40/15 9/70+40/15 9/14+40/75 63/14+40/15 9/98+40/15