Add 5/45 and 56/90
5/45 + 56/90 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
5/45 = 5 × 2/45 × 2 = 10/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
56/90 = 56 × 1/90 × 1 = 56/90 - Add the two like fractions:
10/90 + 56/90 = 10 + 56/90 = 66/90 - 66/90 simplified gives 11/15
- So, 5/45 + 56/90 = 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45+56/90 5/90+56/90 15/45+56/90 25/45+56/90 35/45+56/90