Add 15/28 and 20/75
15/28 + 20/75 is 337/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
15/28 = 15 × 75/28 × 75 = 1125/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
20/75 = 20 × 28/75 × 28 = 560/2100 - Add the two like fractions:
1125/2100 + 560/2100 = 1125 + 560/2100 = 1685/2100 - 1685/2100 simplified gives 337/420
- So, 15/28 + 20/75 = 337/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28+20/75 15/28+40/75 15/56+20/75 45/28+20/75 15/28+60/75 15/84+20/75 75/28+20/75