Add 6/84 and 7/4
1st number: 6/84, 2nd number: 1 3/4
6/84 + 7/4 is 51/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 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 4 × 21 = 84,
7/4 = 7 × 21/4 × 21 = 147/84 - Add the two like fractions:
6/84 + 147/84 = 6 + 147/84 = 153/84 - 153/84 simplified gives 51/28
- So, 6/84 + 7/4 = 51/28
In mixed form: 123/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+7/4 6/84+14/4 6/84+7/8 18/84+7/4 6/84+21/4 6/84+7/12 30/84+7/4 6/84+35/4 6/84+7/20 42/84+7/4 6/84+49/4 6/84+7/28