Add 5/24 and 20/90
5/24 + 20/90 is 31/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
5/24 = 5 × 15/24 × 15 = 75/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
20/90 = 20 × 4/90 × 4 = 80/360 - Add the two like fractions:
75/360 + 80/360 = 75 + 80/360 = 155/360 - 155/360 simplified gives 31/72
- So, 5/24 + 20/90 = 31/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/24+20/90 5/24+40/90 5/48+20/90 15/24+20/90 5/24+60/90 5/72+20/90 25/24+20/90 35/24+20/90