Answers

Add 90/70 and 60/5

1^st number: 1 20/70, 2^nd number: 12 0/5

90/70 + 60/5 is 93/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 5 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 70 × 1 = 70,
   90/70 = 90 × 1/70 × 1 = 90/70
3. Likewise, for the 2nd fraction, since 5 × 14 = 70,
   60/5 = 60 × 14/5 × 14 = 840/70
4. Add the two like fractions:
   90/70 + 840/70 = 90 + 840/70 = 930/70
5. 930/70 simplified gives 93/7
6. So, 90/70 + 60/5 = 93/7
   In mixed form: 132/7

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