Add 30/75 and 1/20
30/75 + 1/20 is 9/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 20 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
30/75 = 30 × 4/75 × 4 = 120/300 - Likewise, for the 2nd fraction, since 20 × 15 = 300,
1/20 = 1 × 15/20 × 15 = 15/300 - Add the two like fractions:
120/300 + 15/300 = 120 + 15/300 = 135/300 - 135/300 simplified gives 9/20
- So, 30/75 + 1/20 = 9/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/75+1/20 30/75+2/20 30/75+1/40 90/75+1/20 30/75+3/20 30/75+1/60 30/75+5/20 30/75+7/20