Add 27/20 and 90/4
1st number: 1 7/20, 2nd number: 22 2/4
27/20 + 90/4 is 477/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
27/20 = 27 × 1/20 × 1 = 27/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
90/4 = 90 × 5/4 × 5 = 450/20 - Add the two like fractions:
27/20 + 450/20 = 27 + 450/20 = 477/20 - So, 27/20 + 90/4 = 477/20
In mixed form: 2317/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/20+90/4 27/40+90/4 27/20+90/8 81/20+90/4 27/60+90/4 27/20+90/12 27/20+90/20 27/20+90/28