Answers

Add 45/54 and 25/20

1^st number: 45/54, 2^nd number: 1 5/20

45/54 + 25/20 is 25/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   45/54 = 45 × 10/54 × 10 = 450/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   25/20 = 25 × 27/20 × 27 = 675/540
4. Add the two like fractions:
   450/540 + 675/540 = 450 + 675/540 = 1125/540
5. 1125/540 simplified gives 25/12
6. So, 45/54 + 25/20 = 25/12
   In mixed form: 21/12

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