Answers

Add 42/28 and 54/84

1^st number: 1 14/28, 2^nd number: 54/84

42/28 + 54/84 is 15/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 84 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   42/28 = 42 × 3/28 × 3 = 126/84
3. Likewise, for the 2nd fraction, since 84 × 1 = 84,
   54/84 = 54 × 1/84 × 1 = 54/84
4. Add the two like fractions:
   126/84 + 54/84 = 126 + 54/84 = 180/84
5. 180/84 simplified gives 15/7
6. So, 42/28 + 54/84 = 15/7
   In mixed form: 21/7

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