Add 20/28 and 27/49
20/28 + 27/49 is 62/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 49 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
20/28 = 20 × 7/28 × 7 = 140/196 - Likewise, for the 2nd fraction, since 49 × 4 = 196,
27/49 = 27 × 4/49 × 4 = 108/196 - Add the two like fractions:
140/196 + 108/196 = 140 + 108/196 = 248/196 - 248/196 simplified gives 62/49
- So, 20/28 + 27/49 = 62/49
In mixed form: 113/49
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/28+27/49 20/28+54/49 20/56+27/49 20/28+27/98 60/28+27/49 20/28+81/49 20/84+27/49