Answers

Add 90/84 and 60/8

1^st number: 1 6/84, 2^nd number: 7 4/8

90/84 + 60/8 is 60/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 84 × 2 = 168,
   90/84 = 90 × 2/84 × 2 = 180/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   60/8 = 60 × 21/8 × 21 = 1260/168
4. Add the two like fractions:
   180/168 + 1260/168 = 180 + 1260/168 = 1440/168
5. 1440/168 simplified gives 60/7
6. So, 90/84 + 60/8 = 60/7
   In mixed form: 84/7

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