Add 1/27 and 14/21
1/27 + 14/21 is 19/27.
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,
14/21 = 14 × 9/21 × 9 = 126/189 - Add the two like fractions:
7/189 + 126/189 = 7 + 126/189 = 133/189 - 133/189 simplified gives 19/27
- So, 1/27 + 14/21 = 19/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/27+14/21 1/27+28/21 1/54+14/21 1/27+14/42 3/27+14/21 1/27+42/21 1/81+14/21 1/27+14/63 5/27+14/21 1/27+70/21 7/27+14/21 1/27+98/21