Add 36/72 and 49/28
1st number: 36/72, 2nd number: 1 21/28
36/72 + 49/28 is 9/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 28 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 28 × 18 = 504,
49/28 = 49 × 18/28 × 18 = 882/504 - Add the two like fractions:
252/504 + 882/504 = 252 + 882/504 = 1134/504 - 1134/504 simplified gives 9/4
- So, 36/72 + 49/28 = 9/4
In mixed form: 21/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+98/28 36/72+49/56 36/72+49/84