Answers

Add 48/84 and 54/21

1^st number: 48/84, 2^nd number: 2 12/21

48/84 + 54/21 is 22/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 21 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   48/84 = 48 × 1/84 × 1 = 48/84
3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
   54/21 = 54 × 4/21 × 4 = 216/84
4. Add the two like fractions:
   48/84 + 216/84 = 48 + 216/84 = 264/84
5. 264/84 simplified gives 22/7
6. So, 48/84 + 54/21 = 22/7
   In mixed form: 31/7

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