Add 7/2 and 90/7
1st number: 3 1/2, 2nd number: 12 6/7
7/2 + 90/7 is 229/14.
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,
7/2 = 7 × 7/2 × 7 = 49/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
90/7 = 90 × 2/7 × 2 = 180/14 - Add the two like fractions:
49/14 + 180/14 = 49 + 180/14 = 229/14 - So, 7/2 + 90/7 = 229/14
In mixed form: 165/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+90/7 7/4+90/7 7/2+90/14 21/2+90/7 7/6+90/7 7/2+90/21 35/2+90/7 7/10+90/7 7/2+90/35 49/2+90/7 7/14+90/7 7/2+90/49