Answers

Add 40/42 and 90/24

1^st number: 40/42, 2^nd number: 3 18/24

40/42 + 90/24 is 395/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 24 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   40/42 = 40 × 4/42 × 4 = 160/168
3. Likewise, for the 2nd fraction, since 24 × 7 = 168,
   90/24 = 90 × 7/24 × 7 = 630/168
4. Add the two like fractions:
   160/168 + 630/168 = 160 + 630/168 = 790/168
5. 790/168 simplified gives 395/84
6. So, 40/42 + 90/24 = 395/84
   In mixed form: 459/84

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