Add 18/14 and 27/90
1st number: 1 4/14, 2nd number: 27/90
18/14 + 27/90 is 111/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
18/14 = 18 × 45/14 × 45 = 810/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
27/90 = 27 × 7/90 × 7 = 189/630 - Add the two like fractions:
810/630 + 189/630 = 810 + 189/630 = 999/630 - 999/630 simplified gives 111/70
- So, 18/14 + 27/90 = 111/70
In mixed form: 141/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14+27/90 18/14+54/90 18/28+27/90 54/14+27/90 18/14+81/90 18/42+27/90 90/14+27/90 18/70+27/90 18/98+27/90