Add 9/20 and 90/75
1st number: 9/20, 2nd number: 1 15/75
9/20 + 90/75 is 33/20.
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,
90/75 = 90 × 4/75 × 4 = 360/300 - Add the two like fractions:
135/300 + 360/300 = 135 + 360/300 = 495/300 - 495/300 simplified gives 33/20
- So, 9/20 + 90/75 = 33/20
In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+90/75 9/40+90/75 27/20+90/75 9/60+90/75 45/20+90/75 63/20+90/75