Add 72/36 and 49/90
1st number: 2 0/36, 2nd number: 49/90
72/36 + 49/90 is 229/90.
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,
72/36 = 72 × 5/36 × 5 = 360/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
49/90 = 49 × 2/90 × 2 = 98/180 - Add the two like fractions:
360/180 + 98/180 = 360 + 98/180 = 458/180 - 458/180 simplified gives 229/90
- So, 72/36 + 49/90 = 229/90
In mixed form: 249/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/36+98/90