Answers

Add 15/45 and 75/20

1^st number: 15/45, 2^nd number: 3 15/20

15/45 + 75/20 is 49/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 45 × 4 = 180,
   15/45 = 15 × 4/45 × 4 = 60/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   75/20 = 75 × 9/20 × 9 = 675/180
4. Add the two like fractions:
   60/180 + 675/180 = 60 + 675/180 = 735/180
5. 735/180 simplified gives 49/12
6. So, 15/45 + 75/20 = 49/12
   In mixed form: 41/12

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