Add 54/24 and 20/40
1st number: 2 6/24, 2nd number: 20/40
54/24 + 20/40 is 11/4.
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,
54/24 = 54 × 5/24 × 5 = 270/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Add the two like fractions:
270/120 + 60/120 = 270 + 60/120 = 330/120 - 330/120 simplified gives 11/4
- So, 54/24 + 20/40 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/48+20/40 54/24+20/80 54/24+60/40 54/72+20/40