Add 21/9 and 8/25
1st number: 2 3/9, 2nd number: 8/25
21/9 + 8/25 is 199/75.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 25 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 9 × 25 = 225,
21/9 = 21 × 25/9 × 25 = 525/225 - Likewise, for the 2nd fraction, since 25 × 9 = 225,
8/25 = 8 × 9/25 × 9 = 72/225 - Add the two like fractions:
525/225 + 72/225 = 525 + 72/225 = 597/225 - 597/225 simplified gives 199/75
- So, 21/9 + 8/25 = 199/75
In mixed form: 249/75
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9+8/25 21/9+16/25 21/18+8/25 21/9+8/50 63/9+8/25 21/9+24/25 21/27+8/25 21/9+8/75 21/9+40/25 21/45+8/25 21/9+56/25 21/63+8/25