Add 25/27 and 14/21
25/27 + 14/21 is 43/27.
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,
25/27 = 25 × 7/27 × 7 = 175/189 - Likewise, for the 2nd fraction, since 21 × 9 = 189,
14/21 = 14 × 9/21 × 9 = 126/189 - Add the two like fractions:
175/189 + 126/189 = 175 + 126/189 = 301/189 - 301/189 simplified gives 43/27
- So, 25/27 + 14/21 = 43/27
In mixed form: 116/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/27+14/21 25/27+28/21 25/54+14/21 25/27+14/42 75/27+14/21 25/27+42/21 25/81+14/21 25/27+14/63 25/27+70/21 25/27+98/21