Answers

Add 72/42 and 45/56

1^st number: 1 30/42, 2^nd number: 45/56

72/42 + 45/56 is 141/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 56 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 42 × 4 = 168,
   72/42 = 72 × 4/42 × 4 = 288/168
3. Likewise, for the 2nd fraction, since 56 × 3 = 168,
   45/56 = 45 × 3/56 × 3 = 135/168
4. Add the two like fractions:
   288/168 + 135/168 = 288 + 135/168 = 423/168
5. 423/168 simplified gives 141/56
6. So, 72/42 + 45/56 = 141/56
   In mixed form: 229/56

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