Add 27/28 and 6/20
27/28 + 6/20 is 177/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
27/28 = 27 × 5/28 × 5 = 135/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
6/20 = 6 × 7/20 × 7 = 42/140 - Add the two like fractions:
135/140 + 42/140 = 135 + 42/140 = 177/140 - So, 27/28 + 6/20 = 177/140
In mixed form: 137/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/28+6/20 27/28+12/20 27/56+6/20 27/28+6/40 81/28+6/20 27/28+18/20 27/84+6/20 27/28+6/60 27/28+30/20 27/28+42/20