Answers

Add 90/84 and 20/96

1^st number: 1 6/84, 2^nd number: 20/96

90/84 + 20/96 is 215/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 96 is 672
   
   Next, find the equivalent fraction of both fractional numbers with denominator 672
2. For the 1st fraction, since 84 × 8 = 672,
   90/84 = 90 × 8/84 × 8 = 720/672
3. Likewise, for the 2nd fraction, since 96 × 7 = 672,
   20/96 = 20 × 7/96 × 7 = 140/672
4. Add the two like fractions:
   720/672 + 140/672 = 720 + 140/672 = 860/672
5. 860/672 simplified gives 215/168
6. So, 90/84 + 20/96 = 215/168
   In mixed form: 147/168

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