Answers

Add 1/72 and 1/7

1/72 + 1/7 is 79/504.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 72 × 7 = 504,
   1/72 = 1 × 7/72 × 7 = 7/504
3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
   1/7 = 1 × 72/7 × 72 = 72/504
4. Add the two like fractions:
   7/504 + 72/504 = 7 + 72/504 = 79/504
5. So, 1/72 + 1/7 = 79/504

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