Add 40/14 and 10/15
1st number: 2 12/14, 2nd number: 10/15
40/14 + 10/15 is 74/21.
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,
40/14 = 40 × 15/14 × 15 = 600/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
10/15 = 10 × 14/15 × 14 = 140/210 - Add the two like fractions:
600/210 + 140/210 = 600 + 140/210 = 740/210 - 740/210 simplified gives 74/21
- So, 40/14 + 10/15 = 74/21
In mixed form: 311/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+10/15 40/14+20/15 40/28+10/15 40/14+10/30 40/14+30/15 40/42+10/15 40/14+10/45 40/14+50/15 40/70+10/15 40/14+10/75 40/14+70/15 40/98+10/15