Add 45/24 and 20/54
1st number: 1 21/24, 2nd number: 20/54
45/24 + 20/54 is 485/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 24 × 9 = 216,
45/24 = 45 × 9/24 × 9 = 405/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
20/54 = 20 × 4/54 × 4 = 80/216 - Add the two like fractions:
405/216 + 80/216 = 405 + 80/216 = 485/216 - So, 45/24 + 20/54 = 485/216
In mixed form: 253/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/24+20/54 45/24+40/54 45/48+20/54 45/24+60/54 45/72+20/54