Answers

Add 45/25 and 21/60

1^st number: 1 20/25, 2^nd number: 21/60

45/25 + 21/60 is 43/20.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 60 is 300
   
   Next, find the equivalent fraction of both fractional numbers with denominator 300
2. For the 1st fraction, since 25 × 12 = 300,
   45/25 = 45 × 12/25 × 12 = 540/300
3. Likewise, for the 2nd fraction, since 60 × 5 = 300,
   21/60 = 21 × 5/60 × 5 = 105/300
4. Add the two like fractions:
   540/300 + 105/300 = 540 + 105/300 = 645/300
5. 645/300 simplified gives 43/20
6. So, 45/25 + 21/60 = 43/20
   In mixed form: 23/20

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