Add 54/20 and 56/90
1st number: 2 14/20, 2nd number: 56/90
54/20 + 56/90 is 299/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
54/20 = 54 × 9/20 × 9 = 486/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
56/90 = 56 × 2/90 × 2 = 112/180 - Add the two like fractions:
486/180 + 112/180 = 486 + 112/180 = 598/180 - 598/180 simplified gives 299/90
- So, 54/20 + 56/90 = 299/90
In mixed form: 329/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+56/90 54/60+56/90