Answers

Add 45/21 and 54/6

1^st number: 2 3/21, 2^nd number: 9 0/6

45/21 + 54/6 is 78/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 6 is 42
   
   Next, find the equivalent fraction of both fractional numbers with denominator 42
2. For the 1st fraction, since 21 × 2 = 42,
   45/21 = 45 × 2/21 × 2 = 90/42
3. Likewise, for the 2nd fraction, since 6 × 7 = 42,
   54/6 = 54 × 7/6 × 7 = 378/42
4. Add the two like fractions:
   90/42 + 378/42 = 90 + 378/42 = 468/42
5. 468/42 simplified gives 78/7
6. So, 45/21 + 54/6 = 78/7
   In mixed form: 111/7

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