Add 7/84 and 90/6
1st number: 7/84, 2nd number: 15 0/6
7/84 + 90/6 is 181/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 6 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 6 × 14 = 84,
90/6 = 90 × 14/6 × 14 = 1260/84 - Add the two like fractions:
7/84 + 1260/84 = 7 + 1260/84 = 1267/84 - 1267/84 simplified gives 181/12
- So, 7/84 + 90/6 = 181/12
In mixed form: 151/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+90/6 7/84+90/12 21/84+90/6 7/84+90/18 35/84+90/6 7/84+90/30 49/84+90/6 7/84+90/42