Add 90/4 and 5/20
1st number: 22 2/4, 2nd number: 5/20
90/4 + 5/20 is 91/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
90/4 = 90 × 5/4 × 5 = 450/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
5/20 = 5 × 1/20 × 1 = 5/20 - Add the two like fractions:
450/20 + 5/20 = 450 + 5/20 = 455/20 - 455/20 simplified gives 91/4
- So, 90/4 + 5/20 = 91/4
In mixed form: 223/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/4+10/20 90/8+5/20 90/4+5/40 90/4+15/20 90/12+5/20 90/4+5/60 90/4+25/20 90/20+5/20 90/4+35/20 90/28+5/20