Answers

Add 54/72 and 80/7

1^st number: 54/72, 2^nd number: 11 3/7

54/72 + 80/7 is 341/28.

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,
   54/72 = 54 × 7/72 × 7 = 378/504
3. Likewise, for the 2nd fraction, since 7 × 72 = 504,
   80/7 = 80 × 72/7 × 72 = 5760/504
4. Add the two like fractions:
   378/504 + 5760/504 = 378 + 5760/504 = 6138/504
5. 6138/504 simplified gives 341/28
6. So, 54/72 + 80/7 = 341/28
   In mixed form: 125/28

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