Answers

Add 30/21 and 42/98

1^st number: 1 9/21, 2^nd number: 42/98

30/21 + 42/98 is 13/7.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 98 is 294
   
   Next, find the equivalent fraction of both fractional numbers with denominator 294
2. For the 1st fraction, since 21 × 14 = 294,
   30/21 = 30 × 14/21 × 14 = 420/294
3. Likewise, for the 2nd fraction, since 98 × 3 = 294,
   42/98 = 42 × 3/98 × 3 = 126/294
4. Add the two like fractions:
   420/294 + 126/294 = 420 + 126/294 = 546/294
5. 546/294 simplified gives 13/7
6. So, 30/21 + 42/98 = 13/7
   In mixed form: 16/7

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