Answers

Add 24/16 and 42/90

1^st number: 1 8/16, 2^nd number: 42/90

24/16 + 42/90 is 59/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 90 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 16 × 45 = 720,
   24/16 = 24 × 45/16 × 45 = 1080/720
3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
   42/90 = 42 × 8/90 × 8 = 336/720
4. Add the two like fractions:
   1080/720 + 336/720 = 1080 + 336/720 = 1416/720
5. 1416/720 simplified gives 59/30
6. So, 24/16 + 42/90 = 59/30
   In mixed form: 129/30

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