Add 54/14 and 42/12
1st number: 3 12/14, 2nd number: 3 6/12
54/14 + 42/12 is 103/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
54/14 = 54 × 6/14 × 6 = 324/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
42/12 = 42 × 7/12 × 7 = 294/84 - Add the two like fractions:
324/84 + 294/84 = 324 + 294/84 = 618/84 - 618/84 simplified gives 103/14
- So, 54/14 + 42/12 = 103/14
In mixed form: 75/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/14+84/12 54/28+42/12 54/14+42/24 54/42+42/12 54/14+42/36 54/70+42/12 54/14+42/60 54/98+42/12 54/14+42/84