Add 3/20 and 18/75
3/20 + 18/75 is 39/100.
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,
3/20 = 3 × 15/20 × 15 = 45/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
18/75 = 18 × 4/75 × 4 = 72/300 - Add the two like fractions:
45/300 + 72/300 = 45 + 72/300 = 117/300 - 117/300 simplified gives 39/100
- So, 3/20 + 18/75 = 39/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/20+18/75 3/20+36/75 3/40+18/75 9/20+18/75 3/20+54/75 3/60+18/75 15/20+18/75 3/20+90/75 21/20+18/75