Add 30/20 and 54/24
1st number: 1 10/20, 2nd number: 2 6/24
30/20 + 54/24 is 15/4.
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,
30/20 = 30 × 6/20 × 6 = 180/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
54/24 = 54 × 5/24 × 5 = 270/120 - Add the two like fractions:
180/120 + 270/120 = 180 + 270/120 = 450/120 - 450/120 simplified gives 15/4
- So, 30/20 + 54/24 = 15/4
In mixed form: 33/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+54/24 30/40+54/24 30/20+54/48 90/20+54/24 30/60+54/24 30/20+54/72