Answers

Add 21/75 and 48/36

1^st number: 21/75, 2^nd number: 1 12/36

21/75 + 48/36 is 121/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 75 and 36 is 900
   
   Next, find the equivalent fraction of both fractional numbers with denominator 900
2. For the 1st fraction, since 75 × 12 = 900,
   21/75 = 21 × 12/75 × 12 = 252/900
3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
   48/36 = 48 × 25/36 × 25 = 1200/900
4. Add the two like fractions:
   252/900 + 1200/900 = 252 + 1200/900 = 1452/900
5. 1452/900 simplified gives 121/75
6. So, 21/75 + 48/36 = 121/75
   In mixed form: 146/75

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