Add 27/2 and 90/7
1st number: 13 1/2, 2nd number: 12 6/7
27/2 + 90/7 is 369/14.
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,
90/7 = 90 × 2/7 × 2 = 180/14 - Add the two like fractions:
189/14 + 180/14 = 189 + 180/14 = 369/14 - So, 27/2 + 90/7 = 369/14
In mixed form: 265/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/2+90/7 27/4+90/7 27/2+90/14 81/2+90/7 27/6+90/7 27/2+90/21 27/10+90/7 27/2+90/35 27/14+90/7 27/2+90/49