Answers

Add 25/21 and 42/7

1^st number: 1 4/21, 2^nd number: 6 0/7

25/21 + 42/7 is 151/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 7 is 21
   
   Next, find the equivalent fraction of both fractional numbers with denominator 21
2. For the 1st fraction, since 21 × 1 = 21,
   25/21 = 25 × 1/21 × 1 = 25/21
3. Likewise, for the 2nd fraction, since 7 × 3 = 21,
   42/7 = 42 × 3/7 × 3 = 126/21
4. Add the two like fractions:
   25/21 + 126/21 = 25 + 126/21 = 151/21
5. So, 25/21 + 42/7 = 151/21
   In mixed form: 74/21

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