Add 72/28 and 5/36
1st number: 2 16/28, 2nd number: 5/36
72/28 + 5/36 is 683/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
72/28 = 72 × 9/28 × 9 = 648/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
5/36 = 5 × 7/36 × 7 = 35/252 - Add the two like fractions:
648/252 + 35/252 = 648 + 35/252 = 683/252 - So, 72/28 + 5/36 = 683/252
In mixed form: 2179/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+10/36 72/56+5/36 72/28+5/72 72/28+15/36 72/84+5/36 72/28+25/36 72/28+35/36