Add 10/14 and 40/15
1st number: 10/14, 2nd number: 2 10/15
10/14 + 40/15 is 71/21.
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,
10/14 = 10 × 15/14 × 15 = 150/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
40/15 = 40 × 14/15 × 14 = 560/210 - Add the two like fractions:
150/210 + 560/210 = 150 + 560/210 = 710/210 - 710/210 simplified gives 71/21
- So, 10/14 + 40/15 = 71/21
In mixed form: 38/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/14+40/15 10/14+80/15 10/28+40/15 10/14+40/30 30/14+40/15 10/42+40/15 10/14+40/45 50/14+40/15 10/70+40/15 10/14+40/75 70/14+40/15 10/98+40/15