Add 81/36 and 24/90
1st number: 2 9/36, 2nd number: 24/90
81/36 + 24/90 is 151/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
81/36 = 81 × 5/36 × 5 = 405/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
24/90 = 24 × 2/90 × 2 = 48/180 - Add the two like fractions:
405/180 + 48/180 = 405 + 48/180 = 453/180 - 453/180 simplified gives 151/60
- So, 81/36 + 24/90 = 151/60
In mixed form: 231/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/36+48/90 81/72+24/90 81/36+72/90