Add 1/27 and 5/21
1/27 + 5/21 is 52/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 21 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
1/27 = 1 × 7/27 × 7 = 7/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
5/21 = 5 × 9/21 × 9 = 45/189 - Add the two like fractions:
7/189 + 45/189 = 7 + 45/189 = 52/189 - So, 1/27 + 5/21 = 52/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27+5/21 1/27+10/21 1/54+5/21 1/27+5/42 3/27+5/21 1/27+15/21 1/81+5/21 1/27+5/63 5/27+5/21 1/27+25/21 7/27+5/21 1/27+35/21