Add 1/84 and 15/7
1st number: 1/84, 2nd number: 2 1/7
1/84 + 15/7 is 181/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
15/7 = 15 × 12/7 × 12 = 180/84 - Add the two like fractions:
1/84 + 180/84 = 1 + 180/84 = 181/84 - So, 1/84 + 15/7 = 181/84
In mixed form: 213/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/84+15/7 1/84+30/7 1/84+15/14 3/84+15/7 1/84+45/7 1/84+15/21 5/84+15/7 1/84+75/7 1/84+15/35 7/84+15/7 1/84+15/49