Answers

Add 42/10 and 54/4

1^st number: 4 2/10, 2^nd number: 13 2/4

42/10 + 54/4 is 177/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 4 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   42/10 = 42 × 2/10 × 2 = 84/20
3. Likewise, for the 2nd fraction, since 4 × 5 = 20,
   54/4 = 54 × 5/4 × 5 = 270/20
4. Add the two like fractions:
   84/20 + 270/20 = 84 + 270/20 = 354/20
5. 354/20 simplified gives 177/10
6. So, 42/10 + 54/4 = 177/10
   In mixed form: 177/10

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