Answers

Add 75/25 and 42/21

1^st number: 3 0/25, 2^nd number: 2 0/21

75/25 + 42/21 is 5/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 21 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 25 × 21 = 525,
   75/25 = 75 × 21/25 × 21 = 1575/525
3. Likewise, for the 2nd fraction, since 21 × 25 = 525,
   42/21 = 42 × 25/21 × 25 = 1050/525
4. Add the two like fractions:
   1575/525 + 1050/525 = 1575 + 1050/525 = 2625/525
5. 2625/525 simplified gives 5/1
6. So, 75/25 + 42/21 = 5/1

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