Add 18/7 and 6/90
1st number: 2 4/7, 2nd number: 6/90
18/7 + 6/90 is 277/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
18/7 = 18 × 90/7 × 90 = 1620/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
6/90 = 6 × 7/90 × 7 = 42/630 - Add the two like fractions:
1620/630 + 42/630 = 1620 + 42/630 = 1662/630 - 1662/630 simplified gives 277/105
- So, 18/7 + 6/90 = 277/105
In mixed form: 267/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/7+6/90 18/7+12/90 18/14+6/90 54/7+6/90 18/7+18/90 18/21+6/90 90/7+6/90 18/7+30/90 18/35+6/90 18/7+42/90 18/49+6/90