Add 54/40 and 15/24
1st number: 1 14/40, 2nd number: 15/24
54/40 + 15/24 is 79/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
54/40 = 54 × 3/40 × 3 = 162/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
15/24 = 15 × 5/24 × 5 = 75/120 - Add the two like fractions:
162/120 + 75/120 = 162 + 75/120 = 237/120 - 237/120 simplified gives 79/40
- So, 54/40 + 15/24 = 79/40
In mixed form: 139/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/40+30/24 54/80+15/24 54/40+15/48 54/40+45/24 54/40+15/72 54/40+75/24