Answers

Add 42/12 and 54/7

1^st number: 3 6/12, 2^nd number: 7 5/7

42/12 + 54/7 is 157/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 7 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 12 × 7 = 84,
   42/12 = 42 × 7/12 × 7 = 294/84
3. Likewise, for the 2nd fraction, since 7 × 12 = 84,
   54/7 = 54 × 12/7 × 12 = 648/84
4. Add the two like fractions:
   294/84 + 648/84 = 294 + 648/84 = 942/84
5. 942/84 simplified gives 157/14
6. So, 42/12 + 54/7 = 157/14
   In mixed form: 113/14

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