Answers

Add 42/56 and 42/21

1^st number: 42/56, 2^nd number: 2 0/21

42/56 + 42/21 is 11/4.

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,
   42/56 = 42 × 3/56 × 3 = 126/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   42/21 = 42 × 8/21 × 8 = 336/168
4. Add the two like fractions:
   126/168 + 336/168 = 126 + 336/168 = 462/168
5. 462/168 simplified gives 11/4
6. So, 42/56 + 42/21 = 11/4
   In mixed form: 23/4

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