Add 4/84 and 90/14
1st number: 4/84, 2nd number: 6 6/14
4/84 + 90/14 is 136/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 14 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
4/84 = 4 × 1/84 × 1 = 4/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
90/14 = 90 × 6/14 × 6 = 540/84 - Add the two like fractions:
4/84 + 540/84 = 4 + 540/84 = 544/84 - 544/84 simplified gives 136/21
- So, 4/84 + 90/14 = 136/21
In mixed form: 610/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+90/14 4/84+90/28 12/84+90/14 4/84+90/42 20/84+90/14 4/84+90/70 28/84+90/14 4/84+90/98