Add 27/10 and 9/18
1st number: 2 7/10, 2nd number: 9/18
27/10 + 9/18 is 16/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
27/10 = 27 × 9/10 × 9 = 243/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
9/18 = 9 × 5/18 × 5 = 45/90 - Add the two like fractions:
243/90 + 45/90 = 243 + 45/90 = 288/90 - 288/90 simplified gives 16/5
- So, 27/10 + 9/18 = 16/5
In mixed form: 31/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+9/18 27/20+9/18 27/10+9/36 81/10+9/18 27/10+27/18 27/30+9/18 27/10+9/54 27/10+45/18 27/50+9/18 27/10+9/90 27/10+63/18 27/70+9/18