Add 50/54 and 10/90
50/54 + 10/90 is 28/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
50/54 = 50 × 5/54 × 5 = 250/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
10/90 = 10 × 3/90 × 3 = 30/270 - Add the two like fractions:
250/270 + 30/270 = 250 + 30/270 = 280/270 - 280/270 simplified gives 28/27
- So, 50/54 + 10/90 = 28/27
In mixed form: 11/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54+20/90 50/54+30/90 50/54+50/90 50/54+70/90