Add 25/4 and 28/72
1st number: 6 1/4, 2nd number: 28/72
25/4 + 28/72 is 239/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
25/4 = 25 × 18/4 × 18 = 450/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
28/72 = 28 × 1/72 × 1 = 28/72 - Add the two like fractions:
450/72 + 28/72 = 450 + 28/72 = 478/72 - 478/72 simplified gives 239/36
- So, 25/4 + 28/72 = 239/36
In mixed form: 623/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+28/72 25/4+56/72 25/8+28/72 75/4+28/72 25/4+84/72 25/12+28/72 25/20+28/72 25/28+28/72