Add 27/2 and 42/7
1st number: 13 1/2, 2nd number: 6 0/7
27/2 + 42/7 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 7 is 14
Next, find the equivalent fraction of both fractional numbers with denominator 14 - For the 1st fraction, since 2 × 7 = 14,
27/2 = 27 × 7/2 × 7 = 189/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
42/7 = 42 × 2/7 × 2 = 84/14 - Add the two like fractions:
189/14 + 84/14 = 189 + 84/14 = 273/14 - 273/14 simplified gives 39/2
- So, 27/2 + 42/7 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+42/7 27/2+84/7 27/4+42/7 27/2+42/14 81/2+42/7 27/6+42/7 27/2+42/21 27/10+42/7 27/2+42/35 27/14+42/7 27/2+42/49