Answers

Add 90/70 and 60/3

1^st number: 1 20/70, 2^nd number: 20 0/3

90/70 + 60/3 is 149/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 3 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 70 × 3 = 210,
   90/70 = 90 × 3/70 × 3 = 270/210
3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
   60/3 = 60 × 70/3 × 70 = 4200/210
4. Add the two like fractions:
   270/210 + 4200/210 = 270 + 4200/210 = 4470/210
5. 4470/210 simplified gives 149/7
6. So, 90/70 + 60/3 = 149/7
   In mixed form: 212/7

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