Add 20/24 and 84/40
1st number: 20/24, 2nd number: 2 4/40
20/24 + 84/40 is 44/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
20/24 = 20 × 5/24 × 5 = 100/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
84/40 = 84 × 3/40 × 3 = 252/120 - Add the two like fractions:
100/120 + 252/120 = 100 + 252/120 = 352/120 - 352/120 simplified gives 44/15
- So, 20/24 + 84/40 = 44/15
In mixed form: 214/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/24+84/40 20/48+84/40 20/24+84/80 60/24+84/40 20/72+84/40