Add 42/27 and 6/20
1st number: 1 15/27, 2nd number: 6/20
42/27 + 6/20 is 167/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540 - Likewise, for the 2nd fraction, since 20 × 27 = 540,
6/20 = 6 × 27/20 × 27 = 162/540 - Add the two like fractions:
840/540 + 162/540 = 840 + 162/540 = 1002/540 - 1002/540 simplified gives 167/90
- So, 42/27 + 6/20 = 167/90
In mixed form: 177/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/27+6/20 42/27+12/20 42/54+6/20 42/27+6/40 42/27+18/20 42/81+6/20 42/27+6/60 42/27+30/20 42/27+42/20