Add 45/54 and 24/84
45/54 + 24/84 is 47/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
45/54 = 45 × 14/54 × 14 = 630/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
24/84 = 24 × 9/84 × 9 = 216/756 - Add the two like fractions:
630/756 + 216/756 = 630 + 216/756 = 846/756 - 846/756 simplified gives 47/42
- So, 45/54 + 24/84 = 47/42
In mixed form: 15/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+24/84 45/54+48/84 45/54+72/84