Answers

Add 48/4 and 54/40

1^st number: 12 0/4, 2^nd number: 1 14/40

48/4 + 54/40 is 267/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 40 is 40
   
   Next, find the equivalent fraction of both fractional numbers with denominator 40
2. For the 1st fraction, since 4 × 10 = 40,
   48/4 = 48 × 10/4 × 10 = 480/40
3. Likewise, for the 2nd fraction, since 40 × 1 = 40,
   54/40 = 54 × 1/40 × 1 = 54/40
4. Add the two like fractions:
   480/40 + 54/40 = 480 + 54/40 = 534/40
5. 534/40 simplified gives 267/20
6. So, 48/4 + 54/40 = 267/20
   In mixed form: 137/20

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