Add 6/7 and 90/18
1st number: 6/7, 2nd number: 5 0/18
6/7 + 90/18 is 41/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 18 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 7 × 18 = 126,
6/7 = 6 × 18/7 × 18 = 108/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Add the two like fractions:
108/126 + 630/126 = 108 + 630/126 = 738/126 - 738/126 simplified gives 41/7
- So, 6/7 + 90/18 = 41/7
In mixed form: 56/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/7+90/18 6/14+90/18 6/7+90/36 18/7+90/18 6/21+90/18 6/7+90/54 30/7+90/18 6/35+90/18 42/7+90/18 6/49+90/18