Answers

Add 45/30 and 40/84

1^st number: 1 15/30, 2^nd number: 40/84

45/30 + 40/84 is 83/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 30 × 14 = 420,
   45/30 = 45 × 14/30 × 14 = 630/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   40/84 = 40 × 5/84 × 5 = 200/420
4. Add the two like fractions:
   630/420 + 200/420 = 630 + 200/420 = 830/420
5. 830/420 simplified gives 83/42
6. So, 45/30 + 40/84 = 83/42
   In mixed form: 141/42

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