Add 72/84 and 25/12
1st number: 72/84, 2nd number: 2 1/12
72/84 + 25/12 is 247/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
72/84 = 72 × 1/84 × 1 = 72/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
25/12 = 25 × 7/12 × 7 = 175/84 - Add the two like fractions:
72/84 + 175/84 = 72 + 175/84 = 247/84 - So, 72/84 + 25/12 = 247/84
In mixed form: 279/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+50/12 72/84+25/24 72/84+75/12 72/84+25/36 72/84+25/60 72/84+25/84