Answers

Add 45/84 and 30/4

1^st number: 45/84, 2^nd number: 7 2/4

45/84 + 30/4 is 225/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 4 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 84 × 1 = 84,
   45/84 = 45 × 1/84 × 1 = 45/84
3. Likewise, for the 2nd fraction, since 4 × 21 = 84,
   30/4 = 30 × 21/4 × 21 = 630/84
4. Add the two like fractions:
   45/84 + 630/84 = 45 + 630/84 = 675/84
5. 675/84 simplified gives 225/28
6. So, 45/84 + 30/4 = 225/28
   In mixed form: 81/28

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