Add 54/14 and 42/84
1st number: 3 12/14, 2nd number: 42/84
54/14 + 42/84 is 61/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 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 84 × 1 = 84,
42/84 = 42 × 1/84 × 1 = 42/84 - Add the two like fractions:
324/84 + 42/84 = 324 + 42/84 = 366/84 - 366/84 simplified gives 61/14
- So, 54/14 + 42/84 = 61/14
In mixed form: 45/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+42/84 54/42+42/84 54/70+42/84 54/98+42/84