Answers

Add 1/84 and 90/16

1^st number: 1/84, 2^nd number: 5 10/16

1/84 + 90/16 is 947/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 16 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 84 × 4 = 336,
   1/84 = 1 × 4/84 × 4 = 4/336
3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
   90/16 = 90 × 21/16 × 21 = 1890/336
4. Add the two like fractions:
   4/336 + 1890/336 = 4 + 1890/336 = 1894/336
5. 1894/336 simplified gives 947/168
6. So, 1/84 + 90/16 = 947/168
   In mixed form: 5107/168

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