Add 54/2 and 42/12
1st number: 27 0/2, 2nd number: 3 6/12
54/2 + 42/12 is 61/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 12 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 2 × 6 = 12,
54/2 = 54 × 6/2 × 6 = 324/12 - Likewise, for the 2nd fraction, since 12 × 1 = 12,
42/12 = 42 × 1/12 × 1 = 42/12 - Add the two like fractions:
324/12 + 42/12 = 324 + 42/12 = 366/12 - 366/12 simplified gives 61/2
- So, 54/2 + 42/12 = 61/2
In mixed form: 301/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+84/12 54/4+42/12 54/2+42/24 54/6+42/12 54/2+42/36 54/10+42/12 54/2+42/60 54/14+42/12 54/2+42/84