Answers

Add 3/21 and 8/56

3/21 + 8/56 is 2/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 21 × 8 = 168,
   3/21 = 3 × 8/21 × 8 = 24/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   8/56 = 8 × 3/56 × 3 = 24/168
4. Add the two like fractions:
   24/168 + 24/168 = 24 + 24/168 = 48/168
5. 48/168 simplified gives 2/7
6. So, 3/21 + 8/56 = 2/7

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