Answers

Add 63/12 and 84/45

1^st number: 5 3/12, 2^nd number: 1 39/45

63/12 + 84/45 is 427/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 45 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   63/12 = 63 × 15/12 × 15 = 945/180
3. Likewise, for the 2nd fraction, since 45 × 4 = 180,
   84/45 = 84 × 4/45 × 4 = 336/180
4. Add the two like fractions:
   945/180 + 336/180 = 945 + 336/180 = 1281/180
5. 1281/180 simplified gives 427/60
6. So, 63/12 + 84/45 = 427/60
   In mixed form: 77/60

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