Answers

Add 90/24 and 4/70

1^st number: 3 18/24, 2^nd number: 4/70

90/24 + 4/70 is 533/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 24 and 70 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 24 × 35 = 840,
   90/24 = 90 × 35/24 × 35 = 3150/840
3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
   4/70 = 4 × 12/70 × 12 = 48/840
4. Add the two like fractions:
   3150/840 + 48/840 = 3150 + 48/840 = 3198/840
5. 3198/840 simplified gives 533/140
6. So, 90/24 + 4/70 = 533/140
   In mixed form: 3113/140

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