Add 90/18 and 27/10
1st number: 5 0/18, 2nd number: 2 7/10
90/18 + 27/10 is 77/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
90/18 = 90 × 5/18 × 5 = 450/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
27/10 = 27 × 9/10 × 9 = 243/90 - Add the two like fractions:
450/90 + 243/90 = 450 + 243/90 = 693/90 - 693/90 simplified gives 77/10
- So, 90/18 + 27/10 = 77/10
In mixed form: 77/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/18+54/10 90/36+27/10 90/18+27/20 90/18+81/10 90/54+27/10 90/18+27/30 90/18+27/50 90/18+27/70