Answers

Add 90/24 and 18/84

1^st number: 3 18/24, 2^nd number: 18/84

90/24 + 18/84 is 111/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 84 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 24 × 7 = 168,
   90/24 = 90 × 7/24 × 7 = 630/168
3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
   18/84 = 18 × 2/84 × 2 = 36/168
4. Add the two like fractions:
   630/168 + 36/168 = 630 + 36/168 = 666/168
5. 666/168 simplified gives 111/28
6. So, 90/24 + 18/84 = 111/28
   In mixed form: 327/28

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