Add 40/15 and 45/14
1st number: 2 10/15, 2nd number: 3 3/14
40/15 + 45/14 is 247/42.
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,
40/15 = 40 × 14/15 × 14 = 560/210 - Likewise, for the 2nd fraction, since 14 × 15 = 210,
45/14 = 45 × 15/14 × 15 = 675/210 - Add the two like fractions:
560/210 + 675/210 = 560 + 675/210 = 1235/210 - 1235/210 simplified gives 247/42
- So, 40/15 + 45/14 = 247/42
In mixed form: 537/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15+45/14 40/15+90/14 40/30+45/14 40/15+45/28 40/45+45/14 40/15+45/42 40/75+45/14 40/15+45/70 40/15+45/98