Answers

Add 4/21 and 75/12

1^st number: 4/21, 2^nd number: 6 3/12

4/21 + 75/12 is 541/84.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 12 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 21 × 4 = 84,
   4/21 = 4 × 4/21 × 4 = 16/84
3. Likewise, for the 2nd fraction, since 12 × 7 = 84,
   75/12 = 75 × 7/12 × 7 = 525/84
4. Add the two like fractions:
   16/84 + 525/84 = 16 + 525/84 = 541/84
5. So, 4/21 + 75/12 = 541/84
   In mixed form: 637/84

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