Answers

Add 28/45 and 54/12

1^st number: 28/45, 2^nd number: 4 6/12

28/45 + 54/12 is 461/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 12 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   28/45 = 28 × 4/45 × 4 = 112/180
3. Likewise, for the 2nd fraction, since 12 × 15 = 180,
   54/12 = 54 × 15/12 × 15 = 810/180
4. Add the two like fractions:
   112/180 + 810/180 = 112 + 810/180 = 922/180
5. 922/180 simplified gives 461/90
6. So, 28/45 + 54/12 = 461/90
   In mixed form: 511/90

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