Add 21/75 and 1/9
21/75 + 1/9 is 88/225.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 9 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
21/75 = 21 × 3/75 × 3 = 63/225 - Likewise, for the 2nd fraction, since 9 × 25 = 225,
1/9 = 1 × 25/9 × 25 = 25/225 - Add the two like fractions:
63/225 + 25/225 = 63 + 25/225 = 88/225 - So, 21/75 + 1/9 = 88/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/75+1/9 21/75+2/9 21/75+1/18 63/75+1/9 21/75+3/9 21/75+1/27 21/75+5/9 21/75+1/45 21/75+7/9 21/75+1/63