Add 90/24 and 20/80
1st number: 3 18/24, 2nd number: 20/80
90/24 + 20/80 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 24 × 10 = 240,
90/24 = 90 × 10/24 × 10 = 900/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Add the two like fractions:
900/240 + 60/240 = 900 + 60/240 = 960/240 - 960/240 simplified gives 4/1
- So, 90/24 + 20/80 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+40/80 90/48+20/80 90/24+60/80 90/72+20/80