Add 27/84 and 72/7
1st number: 27/84, 2nd number: 10 2/7
27/84 + 72/7 is 297/28.
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,
27/84 = 27 × 1/84 × 1 = 27/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
72/7 = 72 × 12/7 × 12 = 864/84 - Add the two like fractions:
27/84 + 864/84 = 27 + 864/84 = 891/84 - 891/84 simplified gives 297/28
- So, 27/84 + 72/7 = 297/28
In mixed form: 1017/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/84+72/7 27/84+72/14 81/84+72/7 27/84+72/21 27/84+72/35 27/84+72/49