Add 45/21 and 4/27
1st number: 2 3/21, 2nd number: 4/27
45/21 + 4/27 is 433/189.
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,
45/21 = 45 × 9/21 × 9 = 405/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
4/27 = 4 × 7/27 × 7 = 28/189 - Add the two like fractions:
405/189 + 28/189 = 405 + 28/189 = 433/189 - So, 45/21 + 4/27 = 433/189
In mixed form: 255/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/21+4/27 45/21+8/27 45/42+4/27 45/21+4/54 45/21+12/27 45/63+4/27 45/21+4/81 45/21+20/27 45/21+28/27