Add 27/12 and 42/56
1st number: 2 3/12, 2nd number: 42/56
27/12 + 42/56 is 3/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 12 × 14 = 168,
27/12 = 27 × 14/12 × 14 = 378/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
42/56 = 42 × 3/56 × 3 = 126/168 - Add the two like fractions:
378/168 + 126/168 = 378 + 126/168 = 504/168 - 504/168 simplified gives 3/1
- So, 27/12 + 42/56 = 3/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/12+42/56 27/12+84/56 27/24+42/56 81/12+42/56 27/36+42/56 27/60+42/56 27/84+42/56