Add 40/14 and 42/54
1st number: 2 12/14, 2nd number: 42/54
40/14 + 42/54 is 229/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 54 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 54 × 7 = 378,
42/54 = 42 × 7/54 × 7 = 294/378 - Add the two like fractions:
1080/378 + 294/378 = 1080 + 294/378 = 1374/378 - 1374/378 simplified gives 229/63
- So, 40/14 + 42/54 = 229/63
In mixed form: 340/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/14+42/54 40/14+84/54 40/28+42/54 40/42+42/54 40/70+42/54 40/98+42/54