Add 9/2 and 90/7
1st number: 4 1/2, 2nd number: 12 6/7
9/2 + 90/7 is 243/14.
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,
9/2 = 9 × 7/2 × 7 = 63/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
90/7 = 90 × 2/7 × 2 = 180/14 - Add the two like fractions:
63/14 + 180/14 = 63 + 180/14 = 243/14 - So, 9/2 + 90/7 = 243/14
In mixed form: 175/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/2+90/7 9/4+90/7 9/2+90/14 27/2+90/7 9/6+90/7 9/2+90/21 45/2+90/7 9/10+90/7 9/2+90/35 63/2+90/7 9/14+90/7 9/2+90/49