Answers

Add 8/21 and 10/8

1^st number: 8/21, 2^nd number: 1 2/8

8/21 + 10/8 is 137/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 8 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   8/21 = 8 × 8/21 × 8 = 64/168
3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
   10/8 = 10 × 21/8 × 21 = 210/168
4. Add the two like fractions:
   64/168 + 210/168 = 64 + 210/168 = 274/168
5. 274/168 simplified gives 137/84
6. So, 8/21 + 10/8 = 137/84
   In mixed form: 153/84

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