Add 20/75 and 7/56
20/75 + 7/56 is 47/120.
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,
7/56 = 7 × 75/56 × 75 = 525/4200 - Add the two like fractions:
1120/4200 + 525/4200 = 1120 + 525/4200 = 1645/4200 - 1645/4200 simplified gives 47/120
- So, 20/75 + 7/56 = 47/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+7/56 20/75+14/56 60/75+7/56 20/75+21/56 20/75+35/56 20/75+49/56