Add 8/21 and 32/9
1st number: 8/21, 2nd number: 3 5/9
8/21 + 32/9 is 248/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 9 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
8/21 = 8 × 3/21 × 3 = 24/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
32/9 = 32 × 7/9 × 7 = 224/63 - Add the two like fractions:
24/63 + 224/63 = 24 + 224/63 = 248/63 - So, 8/21 + 32/9 = 248/63
In mixed form: 359/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+32/9 8/21+64/9 8/42+32/9 8/21+32/18 24/21+32/9 8/21+96/9 8/63+32/9 8/21+32/27 40/21+32/9 8/21+32/45 56/21+32/9 8/21+32/63