Answers

Add 3/56 and 54/21

1^st number: 3/56, 2^nd number: 2 12/21

3/56 + 54/21 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 56 × 3 = 168,
   3/56 = 3 × 3/56 × 3 = 9/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   54/21 = 54 × 8/21 × 8 = 432/168
4. Add the two like fractions:
   9/168 + 432/168 = 9 + 432/168 = 441/168
5. 441/168 simplified gives 21/8
6. So, 3/56 + 54/21 = 21/8
   In mixed form: 25/8

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