Add 8/21 and 16/27
8/21 + 16/27 is 184/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 21 × 9 = 189,
8/21 = 8 × 9/21 × 9 = 72/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
16/27 = 16 × 7/27 × 7 = 112/189 - Add the two like fractions:
72/189 + 112/189 = 72 + 112/189 = 184/189 - So, 8/21 + 16/27 = 184/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/21+16/27 8/21+32/27 8/42+16/27 8/21+16/54 24/21+16/27 8/21+48/27 8/63+16/27 8/21+16/81 40/21+16/27 8/21+80/27 56/21+16/27