Add 20/27 and 10/7
1st number: 20/27, 2nd number: 1 3/7
20/27 + 10/7 is 410/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 7 is 189
Next, find the equivalent fraction of both fractional numbers with denominator 189 - For the 1st fraction, since 27 × 7 = 189,
20/27 = 20 × 7/27 × 7 = 140/189 - Likewise, for the 2nd fraction, since 7 × 27 = 189,
10/7 = 10 × 27/7 × 27 = 270/189 - Add the two like fractions:
140/189 + 270/189 = 140 + 270/189 = 410/189 - So, 20/27 + 10/7 = 410/189
In mixed form: 232/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+10/7 20/27+20/7 20/54+10/7 20/27+10/14 60/27+10/7 20/27+30/7 20/81+10/7 20/27+10/21 20/27+50/7 20/27+10/35 20/27+70/7 20/27+10/49