Add 50/54 and 40/45
50/54 + 40/45 is 49/27.
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,
40/45 = 40 × 6/45 × 6 = 240/270 - Add the two like fractions:
250/270 + 240/270 = 250 + 240/270 = 490/270 - 490/270 simplified gives 49/27
- So, 50/54 + 40/45 = 49/27
In mixed form: 122/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/54+80/45 50/54+40/90