Add 20/50 and 27/28
20/50 + 27/28 is 191/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
20/50 = 20 × 14/50 × 14 = 280/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
27/28 = 27 × 25/28 × 25 = 675/700 - Add the two like fractions:
280/700 + 675/700 = 280 + 675/700 = 955/700 - 955/700 simplified gives 191/140
- So, 20/50 + 27/28 = 191/140
In mixed form: 151/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/50+27/28 20/50+54/28 20/50+27/56 60/50+27/28 20/50+81/28 20/50+27/84