Add 10/5 and 27/90
1st number: 2 0/5, 2nd number: 27/90
10/5 + 27/90 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
10/5 = 10 × 18/5 × 18 = 180/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
27/90 = 27 × 1/90 × 1 = 27/90 - Add the two like fractions:
180/90 + 27/90 = 180 + 27/90 = 207/90 - 207/90 simplified gives 23/10
- So, 10/5 + 27/90 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/5+27/90 10/5+54/90 30/5+27/90 10/5+81/90 10/15+27/90 50/5+27/90 10/25+27/90 70/5+27/90 10/35+27/90