Add 10/72 and 28/14
1st number: 10/72, 2nd number: 2 0/14
10/72 + 28/14 is 77/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
28/14 = 28 × 36/14 × 36 = 1008/504 - Add the two like fractions:
70/504 + 1008/504 = 70 + 1008/504 = 1078/504 - 1078/504 simplified gives 77/36
- So, 10/72 + 28/14 = 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: 20/72+28/14 10/72+56/14 30/72+28/14 10/72+84/14 10/72+28/42 50/72+28/14 10/72+28/70 70/72+28/14 10/72+28/98