Answers

Add 54/60 and 81/7

1^st number: 54/60, 2^nd number: 11 4/7

54/60 + 81/7 is 873/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 7 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   54/60 = 54 × 7/60 × 7 = 378/420
3. Likewise, for the 2nd fraction, since 7 × 60 = 420,
   81/7 = 81 × 60/7 × 60 = 4860/420
4. Add the two like fractions:
   378/420 + 4860/420 = 378 + 4860/420 = 5238/420
5. 5238/420 simplified gives 873/70
6. So, 54/60 + 81/7 = 873/70
   In mixed form: 1233/70

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