Add 40/14 and 18/27
1st number: 2 12/14, 2nd number: 18/27
40/14 + 18/27 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 27 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 14 × 27 = 378,
40/14 = 40 × 27/14 × 27 = 1080/378 - Likewise, for the 2nd fraction, since 27 × 14 = 378,
18/27 = 18 × 14/27 × 14 = 252/378 - Add the two like fractions:
1080/378 + 252/378 = 1080 + 252/378 = 1332/378 - 1332/378 simplified gives 74/21
- So, 40/14 + 18/27 = 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+18/27 40/14+36/27 40/28+18/27 40/14+18/54 40/14+54/27 40/42+18/27 40/14+18/81 40/14+90/27 40/70+18/27 40/98+18/27