Add 1/72 and 56/63
1/72 + 56/63 is 65/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
1/72 = 1 × 7/72 × 7 = 7/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
56/63 = 56 × 8/63 × 8 = 448/504 - Add the two like fractions:
7/504 + 448/504 = 7 + 448/504 = 455/504 - 455/504 simplified gives 65/72
- So, 1/72 + 56/63 = 65/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72+56/63 3/72+56/63 5/72+56/63 7/72+56/63