Add 6/84 and 54/7
1st number: 6/84, 2nd number: 7 5/7
6/84 + 54/7 is 109/14.
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,
6/84 = 6 × 1/84 × 1 = 6/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
54/7 = 54 × 12/7 × 12 = 648/84 - Add the two like fractions:
6/84 + 648/84 = 6 + 648/84 = 654/84 - 654/84 simplified gives 109/14
- So, 6/84 + 54/7 = 109/14
In mixed form: 711/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+54/7 6/84+54/14 18/84+54/7 6/84+54/21 30/84+54/7 6/84+54/35 42/84+54/7 6/84+54/49