Add 27/45 and 24/20
1st number: 27/45, 2nd number: 1 4/20
27/45 + 24/20 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
27/45 = 27 × 4/45 × 4 = 108/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
24/20 = 24 × 9/20 × 9 = 216/180 - Add the two like fractions:
108/180 + 216/180 = 108 + 216/180 = 324/180 - 324/180 simplified gives 9/5
- So, 27/45 + 24/20 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/45+24/20 27/45+48/20 27/90+24/20 27/45+24/40 81/45+24/20 27/45+72/20 27/45+24/60