Add 20/54 and 40/24
1st number: 20/54, 2nd number: 1 16/24
20/54 + 40/24 is 55/27.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 24 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Likewise, for the 2nd fraction, since 24 × 9 = 216,
40/24 = 40 × 9/24 × 9 = 360/216 - Add the two like fractions:
80/216 + 360/216 = 80 + 360/216 = 440/216 - 440/216 simplified gives 55/27
- So, 20/54 + 40/24 = 55/27
In mixed form: 21/27
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/54+40/24 20/54+80/24 20/54+40/48 60/54+40/24 20/54+40/72