Add 5/84 and 81/7
1st number: 5/84, 2nd number: 11 4/7
5/84 + 81/7 is 977/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
5/84 = 5 × 1/84 × 1 = 5/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
81/7 = 81 × 12/7 × 12 = 972/84 - Add the two like fractions:
5/84 + 972/84 = 5 + 972/84 = 977/84 - So, 5/84 + 81/7 = 977/84
In mixed form: 1153/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/84+81/7 5/84+81/14 15/84+81/7 5/84+81/21 25/84+81/7 5/84+81/35 35/84+81/7 5/84+81/49