Add 27/18 and 20/25
1st number: 1 9/18, 2nd number: 20/25
27/18 + 20/25 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 25 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
27/18 = 27 × 25/18 × 25 = 675/450 - Likewise, for the 2nd fraction, since 25 × 18 = 450,
20/25 = 20 × 18/25 × 18 = 360/450 - Add the two like fractions:
675/450 + 360/450 = 675 + 360/450 = 1035/450 - 1035/450 simplified gives 23/10
- So, 27/18 + 20/25 = 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: 54/18+20/25 27/18+40/25 27/36+20/25 27/18+20/50 81/18+20/25 27/18+60/25 27/54+20/25 27/18+20/75 27/90+20/25