Add 56/20 and 90/36
1st number: 2 16/20, 2nd number: 2 18/36
56/20 + 90/36 is 53/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
56/20 = 56 × 9/20 × 9 = 504/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Add the two like fractions:
504/180 + 450/180 = 504 + 450/180 = 954/180 - 954/180 simplified gives 53/10
- So, 56/20 + 90/36 = 53/10
In mixed form: 53/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/40+90/36 56/20+90/72 56/60+90/36