Add 84/72 and 35/36
1st number: 1 12/72, 2nd number: 35/36
84/72 + 35/36 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
84/72 = 84 × 1/72 × 1 = 84/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
35/36 = 35 × 2/36 × 2 = 70/72 - Add the two like fractions:
84/72 + 70/72 = 84 + 70/72 = 154/72 - 154/72 simplified gives 77/36
- So, 84/72 + 35/36 = 77/36
In mixed form: 25/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/72+70/36 84/72+35/72