Add 90/2 and 6/7
1st number: 45 0/2, 2nd number: 6/7
90/2 + 6/7 is 321/7.
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,
90/2 = 90 × 7/2 × 7 = 630/14 - Likewise, for the 2nd fraction, since 7 × 2 = 14,
6/7 = 6 × 2/7 × 2 = 12/14 - Add the two like fractions:
630/14 + 12/14 = 630 + 12/14 = 642/14 - 642/14 simplified gives 321/7
- So, 90/2 + 6/7 = 321/7
In mixed form: 456/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+12/7 90/4+6/7 90/2+6/14 90/2+18/7 90/6+6/7 90/2+6/21 90/2+30/7 90/10+6/7 90/2+6/35 90/2+42/7 90/14+6/7 90/2+6/49