Add 6/84 and 45/12
1st number: 6/84, 2nd number: 3 9/12
6/84 + 45/12 is 107/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 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 12 × 7 = 84,
45/12 = 45 × 7/12 × 7 = 315/84 - Add the two like fractions:
6/84 + 315/84 = 6 + 315/84 = 321/84 - 321/84 simplified gives 107/28
- So, 6/84 + 45/12 = 107/28
In mixed form: 323/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/84+45/12 6/84+90/12 6/84+45/24 18/84+45/12 6/84+45/36 30/84+45/12 6/84+45/60 42/84+45/12 6/84+45/84