Add 1/84 and 84/54
1st number: 1/84, 2nd number: 1 30/54
1/84 + 84/54 is 395/252.
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,
1/84 = 1 × 9/84 × 9 = 9/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
84/54 = 84 × 14/54 × 14 = 1176/756 - Add the two like fractions:
9/756 + 1176/756 = 9 + 1176/756 = 1185/756 - 1185/756 simplified gives 395/252
- So, 1/84 + 84/54 = 395/252
In mixed form: 1143/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+84/54 3/84+84/54 5/84+84/54 7/84+84/54