Add 9/75 and 21/72
9/75 + 21/72 is 247/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
9/75 = 9 × 24/75 × 24 = 216/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
21/72 = 21 × 25/72 × 25 = 525/1800 - Add the two like fractions:
216/1800 + 525/1800 = 216 + 525/1800 = 741/1800 - 741/1800 simplified gives 247/600
- So, 9/75 + 21/72 = 247/600
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/75+21/72 9/75+42/72 27/75+21/72 9/75+63/72 45/75+21/72 63/75+21/72