Add 5/90 and 15/4
1st number: 5/90, 2nd number: 3 3/4
5/90 + 15/4 is 137/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
5/90 = 5 × 2/90 × 2 = 10/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
15/4 = 15 × 45/4 × 45 = 675/180 - Add the two like fractions:
10/180 + 675/180 = 10 + 675/180 = 685/180 - 685/180 simplified gives 137/36
- So, 5/90 + 15/4 = 137/36
In mixed form: 329/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/90+15/4 5/90+30/4 5/90+15/8 15/90+15/4 5/90+45/4 5/90+15/12 25/90+15/4 5/90+75/4 5/90+15/20 35/90+15/4 5/90+15/28