Add 54/3 and 56/90
1st number: 18 0/3, 2nd number: 56/90
54/3 + 56/90 is 838/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 3 × 30 = 90,
54/3 = 54 × 30/3 × 30 = 1620/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
56/90 = 56 × 1/90 × 1 = 56/90 - Add the two like fractions:
1620/90 + 56/90 = 1620 + 56/90 = 1676/90 - 1676/90 simplified gives 838/45
- So, 54/3 + 56/90 = 838/45
In mixed form: 1828/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+56/90 54/9+56/90 54/15+56/90 54/21+56/90