Add 20/75 and 9/35
20/75 + 9/35 is 11/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 35 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
20/75 = 20 × 7/75 × 7 = 140/525 - Likewise, for the 2nd fraction, since 35 × 15 = 525,
9/35 = 9 × 15/35 × 15 = 135/525 - Add the two like fractions:
140/525 + 135/525 = 140 + 135/525 = 275/525 - 275/525 simplified gives 11/21
- So, 20/75 + 9/35 = 11/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+9/35 20/75+18/35 20/75+9/70 60/75+9/35 20/75+27/35 20/75+45/35 20/75+63/35