Answers

Add 45/42 and 54/49

1^st number: 1 3/42, 2^nd number: 1 5/49

45/42 + 54/49 is 213/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 49 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 42 × 7 = 294,
   45/42 = 45 × 7/42 × 7 = 315/294
3. Likewise, for the 2nd fraction, since 49 × 6 = 294,
   54/49 = 54 × 6/49 × 6 = 324/294
4. Add the two like fractions:
   315/294 + 324/294 = 315 + 324/294 = 639/294
5. 639/294 simplified gives 213/98
6. So, 45/42 + 54/49 = 213/98
   In mixed form: 217/98

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