Add 18/50 and 50/72
18/50 + 50/72 is 949/900.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
18/50 = 18 × 36/50 × 36 = 648/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
50/72 = 50 × 25/72 × 25 = 1250/1800 - Add the two like fractions:
648/1800 + 1250/1800 = 648 + 1250/1800 = 1898/1800 - 1898/1800 simplified gives 949/900
- So, 18/50 + 50/72 = 949/900
In mixed form: 149/900
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/50+50/72 54/50+50/72 90/50+50/72