Answers

Add 7/98 and 21/49

7/98 + 21/49 is 1/2.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 49 is 98
   
   Next, find the equivalent fraction of both fractional numbers with denominator 98
2. For the 1st fraction, since 98 × 1 = 98,
   7/98 = 7 × 1/98 × 1 = 7/98
3. Likewise, for the 2nd fraction, since 49 × 2 = 98,
   21/49 = 21 × 2/49 × 2 = 42/98
4. Add the two like fractions:
   7/98 + 42/98 = 7 + 42/98 = 49/98
5. 49/98 simplified gives 1/2
6. So, 7/98 + 21/49 = 1/2

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