Add 6/20 and 90/75
1st number: 6/20, 2nd number: 1 15/75
6/20 + 90/75 is 3/2.
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,
6/20 = 6 × 15/20 × 15 = 90/300 - Likewise, for the 2nd fraction, since 75 × 4 = 300,
90/75 = 90 × 4/75 × 4 = 360/300 - Add the two like fractions:
90/300 + 360/300 = 90 + 360/300 = 450/300 - 450/300 simplified gives 3/2
- So, 6/20 + 90/75 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/20+90/75 6/40+90/75 18/20+90/75 6/60+90/75 30/20+90/75 42/20+90/75