Answers

Add 84/7 and 90/60

1^st number: 12 0/7, 2^nd number: 1 30/60

84/7 + 90/60 is 27/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 7 × 60 = 420,
   84/7 = 84 × 60/7 × 60 = 5040/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   90/60 = 90 × 7/60 × 7 = 630/420
4. Add the two like fractions:
   5040/420 + 630/420 = 5040 + 630/420 = 5670/420
5. 5670/420 simplified gives 27/2
6. So, 84/7 + 90/60 = 27/2
   In mixed form: 131/2

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