Answers

Add 28/20 and 42/96

1^st number: 1 8/20, 2^nd number: 42/96

28/20 + 42/96 is 147/80.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 96 is 480
   
   Next, find the equivalent fraction of both fractional numbers with denominator 480
2. For the 1st fraction, since 20 × 24 = 480,
   28/20 = 28 × 24/20 × 24 = 672/480
3. Likewise, for the 2nd fraction, since 96 × 5 = 480,
   42/96 = 42 × 5/96 × 5 = 210/480
4. Add the two like fractions:
   672/480 + 210/480 = 672 + 210/480 = 882/480
5. 882/480 simplified gives 147/80
6. So, 28/20 + 42/96 = 147/80
   In mixed form: 167/80

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