Add 9/72 and 2/7
9/72 + 2/7 is 23/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 7 × 72 = 504,
2/7 = 2 × 72/7 × 72 = 144/504 - Add the two like fractions:
63/504 + 144/504 = 63 + 144/504 = 207/504 - 207/504 simplified gives 23/56
- So, 9/72 + 2/7 = 23/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/72+2/7 9/72+4/7 9/72+2/14 27/72+2/7 9/72+6/7 9/72+2/21 45/72+2/7 9/72+10/7 9/72+2/35 63/72+2/7 9/72+14/7 9/72+2/49