Add 36/72 and 7/84
36/72 + 7/84 is 7/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
36/72 = 36 × 7/72 × 7 = 252/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
7/84 = 7 × 6/84 × 6 = 42/504 - Add the two like fractions:
252/504 + 42/504 = 252 + 42/504 = 294/504 - 294/504 simplified gives 7/12
- So, 36/72 + 7/84 = 7/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+14/84 36/72+21/84 36/72+35/84 36/72+49/84