Add 7/84 and 20/14
1st number: 7/84, 2nd number: 1 6/14
7/84 + 20/14 is 127/84.
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,
7/84 = 7 × 1/84 × 1 = 7/84 - Likewise, for the 2nd fraction, since 14 × 6 = 84,
20/14 = 20 × 6/14 × 6 = 120/84 - Add the two like fractions:
7/84 + 120/84 = 7 + 120/84 = 127/84 - So, 7/84 + 20/14 = 127/84
In mixed form: 143/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+20/14 7/84+40/14 7/84+20/28 21/84+20/14 7/84+60/14 7/84+20/42 35/84+20/14 7/84+20/70 49/84+20/14 7/84+20/98