Add 72/90 and 24/5
1st number: 72/90, 2nd number: 4 4/5
72/90 + 24/5 is 28/5.
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,
72/90 = 72 × 1/90 × 1 = 72/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
24/5 = 24 × 18/5 × 18 = 432/90 - Add the two like fractions:
72/90 + 432/90 = 72 + 432/90 = 504/90 - 504/90 simplified gives 28/5
- So, 72/90 + 24/5 = 28/5
In mixed form: 53/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/90+48/5 72/90+24/10 72/90+72/5 72/90+24/15 72/90+24/25 72/90+24/35