Add 20/75 and 5/4
1st number: 20/75, 2nd number: 1 1/4
20/75 + 5/4 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 4 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 75 × 4 = 300,
20/75 = 20 × 4/75 × 4 = 80/300 - Likewise, for the 2nd fraction, since 4 × 75 = 300,
5/4 = 5 × 75/4 × 75 = 375/300 - Add the two like fractions:
80/300 + 375/300 = 80 + 375/300 = 455/300 - 455/300 simplified gives 91/60
- So, 20/75 + 5/4 = 91/60
In mixed form: 131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+5/4 20/75+10/4 20/75+5/8 60/75+5/4 20/75+15/4 20/75+5/12 20/75+25/4 20/75+5/20 20/75+35/4 20/75+5/28