Add 36/21 and 14/9
1st number: 1 15/21, 2nd number: 1 5/9
36/21 + 14/9 is 206/63.
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,
36/21 = 36 × 3/21 × 3 = 108/63 - Likewise, for the 2nd fraction, since 9 × 7 = 63,
14/9 = 14 × 7/9 × 7 = 98/63 - Add the two like fractions:
108/63 + 98/63 = 108 + 98/63 = 206/63 - So, 36/21 + 14/9 = 206/63
In mixed form: 317/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/21+14/9 36/21+28/9 36/42+14/9 36/21+14/18 36/21+42/9 36/63+14/9 36/21+14/27 36/21+70/9 36/21+14/45 36/21+98/9 36/21+14/63