Answers

Add 90/70 and 16/24

1^st number: 1 20/70, 2^nd number: 16/24

90/70 + 16/24 is 41/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 24 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 70 × 12 = 840,
   90/70 = 90 × 12/70 × 12 = 1080/840
3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
   16/24 = 16 × 35/24 × 35 = 560/840
4. Add the two like fractions:
   1080/840 + 560/840 = 1080 + 560/840 = 1640/840
5. 1640/840 simplified gives 41/21
6. So, 90/70 + 16/24 = 41/21
   In mixed form: 120/21

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