Add 20/75 and 27/56
20/75 + 27/56 is 629/840.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
20/75 = 20 × 56/75 × 56 = 1120/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
27/56 = 27 × 75/56 × 75 = 2025/4200 - Add the two like fractions:
1120/4200 + 2025/4200 = 1120 + 2025/4200 = 3145/4200 - 3145/4200 simplified gives 629/840
- So, 20/75 + 27/56 = 629/840
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+27/56 20/75+54/56 60/75+27/56 20/75+81/56