Add 45/54 and 8/84
45/54 + 8/84 is 13/14.
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,
8/84 = 8 × 9/84 × 9 = 72/756 - Add the two like fractions:
630/756 + 72/756 = 630 + 72/756 = 702/756 - 702/756 simplified gives 13/14
- So, 45/54 + 8/84 = 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+8/84 45/54+16/84 45/54+24/84 45/54+40/84 45/54+56/84