Answers

Add 3/40 and 25/98

3/40 + 25/98 is 647/1960.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 98 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   3/40 = 3 × 49/40 × 49 = 147/1960
3. Likewise, for the 2nd fraction, since 98 × 20 = 1960,
   25/98 = 25 × 20/98 × 20 = 500/1960
4. Add the two like fractions:
   147/1960 + 500/1960 = 147 + 500/1960 = 647/1960
5. So, 3/40 + 25/98 = 647/1960

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