Answers

Add 84/63 and 45/60

1^st number: 1 21/63, 2^nd number: 45/60

84/63 + 45/60 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 60 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 63 × 20 = 1260,
   84/63 = 84 × 20/63 × 20 = 1680/1260
3. Likewise, for the 2nd fraction, since 60 × 21 = 1260,
   45/60 = 45 × 21/60 × 21 = 945/1260
4. Add the two like fractions:
   1680/1260 + 945/1260 = 1680 + 945/1260 = 2625/1260
5. 2625/1260 simplified gives 25/12
6. So, 84/63 + 45/60 = 25/12
   In mixed form: 21/12

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