Answers

Add 90/12 and 70/50

1^st number: 7 6/12, 2^nd number: 1 20/50

90/12 + 70/50 is 89/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 50 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 12 × 25 = 300,
   90/12 = 90 × 25/12 × 25 = 2250/300
3. Likewise, for the 2nd fraction, since 50 × 6 = 300,
   70/50 = 70 × 6/50 × 6 = 420/300
4. Add the two like fractions:
   2250/300 + 420/300 = 2250 + 420/300 = 2670/300
5. 2670/300 simplified gives 89/10
6. So, 90/12 + 70/50 = 89/10
   In mixed form: 89/10

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