Add 16/84 and 45/54
16/84 + 45/54 is 43/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
16/84 = 16 × 9/84 × 9 = 144/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
45/54 = 45 × 14/54 × 14 = 630/756 - Add the two like fractions:
144/756 + 630/756 = 144 + 630/756 = 774/756 - 774/756 simplified gives 43/42
- So, 16/84 + 45/54 = 43/42
In mixed form: 11/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/84+45/54 16/84+90/54 48/84+45/54 80/84+45/54