Add 9/20 and 18/75
9/20 + 18/75 is 69/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 75 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 20 × 15 = 300,
9/20 = 9 × 15/20 × 15 = 135/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Add the two like fractions:
135/300 + 72/300 = 135 + 72/300 = 207/300 - 207/300 simplified gives 69/100
- So, 9/20 + 18/75 = 69/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+18/75 9/20+36/75 9/40+18/75 27/20+18/75 9/20+54/75 9/60+18/75 45/20+18/75 9/20+90/75 63/20+18/75