Add 56/18 and 90/54
1st number: 3 2/18, 2nd number: 1 36/54
56/18 + 90/54 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 54 is 54
Next, find the equivalent fraction of both fractional numbers with denominator 54 - For the 1st fraction, since 18 × 3 = 54,
56/18 = 56 × 3/18 × 3 = 168/54 - Likewise, for the 2nd fraction, since 54 × 1 = 54,
90/54 = 90 × 1/54 × 1 = 90/54 - Add the two like fractions:
168/54 + 90/54 = 168 + 90/54 = 258/54 - 258/54 simplified gives 43/9
- So, 56/18 + 90/54 = 43/9
In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/36+90/54 56/54+90/54 56/90+90/54