Answers

Add 50/15 and 45/20

1^st number: 3 5/15, 2^nd number: 2 5/20

50/15 + 45/20 is 67/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 20 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 15 × 4 = 60,
   50/15 = 50 × 4/15 × 4 = 200/60
3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
   45/20 = 45 × 3/20 × 3 = 135/60
4. Add the two like fractions:
   200/60 + 135/60 = 200 + 135/60 = 335/60
5. 335/60 simplified gives 67/12
6. So, 50/15 + 45/20 = 67/12
   In mixed form: 57/12

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