Add 3/14 and 90/84
1st number: 3/14, 2nd number: 1 6/84
3/14 + 90/84 is 9/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
3/14 = 3 × 6/14 × 6 = 18/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
90/84 = 90 × 1/84 × 1 = 90/84 - Add the two like fractions:
18/84 + 90/84 = 18 + 90/84 = 108/84 - 108/84 simplified gives 9/7
- So, 3/14 + 90/84 = 9/7
In mixed form: 12/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/14+90/84 3/28+90/84 9/14+90/84 3/42+90/84 15/14+90/84 3/70+90/84 21/14+90/84 3/98+90/84