Add 6/12 and 90/84
1st number: 6/12, 2nd number: 1 6/84
6/12 + 90/84 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
6/12 = 6 × 7/12 × 7 = 42/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
42/84 + 90/84 = 42 + 90/84 = 132/84 - 132/84 simplified gives 11/7
- So, 6/12 + 90/84 = 11/7
In mixed form: 14/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/24+90/84 18/12+90/84 6/36+90/84 30/12+90/84 6/60+90/84 42/12+90/84 6/84+90/84