Answers

Add 42/21 and 7/75

1^st number: 2 0/21, 2^nd number: 7/75

42/21 + 7/75 is 157/75.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 75 is 525
   
   Next, find the equivalent fraction of both fractional numbers with denominator 525
2. For the 1st fraction, since 21 × 25 = 525,
   42/21 = 42 × 25/21 × 25 = 1050/525
3. Likewise, for the 2nd fraction, since 75 × 7 = 525,
   7/75 = 7 × 7/75 × 7 = 49/525
4. Add the two like fractions:
   1050/525 + 49/525 = 1050 + 49/525 = 1099/525
5. 1099/525 simplified gives 157/75
6. So, 42/21 + 7/75 = 157/75
   In mixed form: 27/75

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