Answers

Add 54/4 and 42/80

1^st number: 13 2/4, 2^nd number: 42/80

54/4 + 42/80 is 561/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 4 × 20 = 80,
   54/4 = 54 × 20/4 × 20 = 1080/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   42/80 = 42 × 1/80 × 1 = 42/80
4. Add the two like fractions:
   1080/80 + 42/80 = 1080 + 42/80 = 1122/80
5. 1122/80 simplified gives 561/40
6. So, 54/4 + 42/80 = 561/40
   In mixed form: 141/40

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