Answers

Add 84/18 and 40/48

1^st number: 4 12/18, 2^nd number: 40/48

84/18 + 40/48 is 11/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 48 is 144
   
   Next, find the equivalent fraction of both fractional numbers with denominator 144
2. For the 1st fraction, since 18 × 8 = 144,
   84/18 = 84 × 8/18 × 8 = 672/144
3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
   40/48 = 40 × 3/48 × 3 = 120/144
4. Add the two like fractions:
   672/144 + 120/144 = 672 + 120/144 = 792/144
5. 792/144 simplified gives 11/2
6. So, 84/18 + 40/48 = 11/2
   In mixed form: 51/2

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