Add 50/54 and 20/45
50/54 + 20/45 is 37/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 45 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 45 × 6 = 270,
20/45 = 20 × 6/45 × 6 = 120/270 - Add the two like fractions:
250/270 + 120/270 = 250 + 120/270 = 370/270 - 370/270 simplified gives 37/27
- So, 50/54 + 20/45 = 37/27
In mixed form: 110/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54+40/45 50/54+20/90 50/54+60/45