Add 84/20 and 54/24
1st number: 4 4/20, 2nd number: 2 6/24
84/20 + 54/24 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 20 × 6 = 120,
84/20 = 84 × 6/20 × 6 = 504/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
54/24 = 54 × 5/24 × 5 = 270/120 - Add the two like fractions:
504/120 + 270/120 = 504 + 270/120 = 774/120 - 774/120 simplified gives 129/20
- So, 84/20 + 54/24 = 129/20
In mixed form: 69/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+54/24 84/20+54/48 84/60+54/24 84/20+54/72