Add 18/72 and 2/56
18/72 + 2/56 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
18/72 = 18 × 7/72 × 7 = 126/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
2/56 = 2 × 9/56 × 9 = 18/504 - Add the two like fractions:
126/504 + 18/504 = 126 + 18/504 = 144/504 - 144/504 simplified gives 2/7
- So, 18/72 + 2/56 = 2/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/72+2/56 18/72+4/56 54/72+2/56 18/72+6/56 90/72+2/56 18/72+10/56 18/72+14/56