Add 4/7 and 20/27
4/7 + 20/27 is 248/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 27 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 7 × 27 = 189,
4/7 = 4 × 27/7 × 27 = 108/189 - Likewise, for the 2nd fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Add the two like fractions:
108/189 + 140/189 = 108 + 140/189 = 248/189 - So, 4/7 + 20/27 = 248/189
In mixed form: 159/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/7+20/27 4/7+40/27 4/14+20/27 4/7+20/54 12/7+20/27 4/7+60/27 4/21+20/27 4/7+20/81 20/7+20/27 4/35+20/27 28/7+20/27 4/49+20/27