Add 2/7 and 90/18
1st number: 2/7, 2nd number: 5 0/18
2/7 + 90/18 is 37/7.
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,
2/7 = 2 × 18/7 × 18 = 36/126 - Likewise, for the 2nd fraction, since 18 × 7 = 126,
90/18 = 90 × 7/18 × 7 = 630/126 - Add the two like fractions:
36/126 + 630/126 = 36 + 630/126 = 666/126 - 666/126 simplified gives 37/7
- So, 2/7 + 90/18 = 37/7
In mixed form: 52/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/7+90/18 2/14+90/18 2/7+90/36 6/7+90/18 2/21+90/18 2/7+90/54 10/7+90/18 2/35+90/18 14/7+90/18 2/49+90/18