Add 20/90 and 24/5
1st number: 20/90, 2nd number: 4 4/5
20/90 + 24/5 is 226/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
24/5 = 24 × 18/5 × 18 = 432/90 - Add the two like fractions:
20/90 + 432/90 = 20 + 432/90 = 452/90 - 452/90 simplified gives 226/45
- So, 20/90 + 24/5 = 226/45
In mixed form: 51/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/90+24/5 20/90+48/5 20/90+24/10 60/90+24/5 20/90+72/5 20/90+24/15 20/90+24/25 20/90+24/35