Add 8/28 and 25/72
8/28 + 25/72 is 319/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
8/28 = 8 × 18/28 × 18 = 144/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
25/72 = 25 × 7/72 × 7 = 175/504 - Add the two like fractions:
144/504 + 175/504 = 144 + 175/504 = 319/504 - So, 8/28 + 25/72 = 319/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/28+25/72 8/28+50/72 8/56+25/72 24/28+25/72 8/28+75/72 8/84+25/72 40/28+25/72 56/28+25/72