Answers

Add 54/98 and 63/40

1^st number: 54/98, 2^nd number: 1 23/40

54/98 + 63/40 is 4167/1960.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 40 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 98 × 20 = 1960,
   54/98 = 54 × 20/98 × 20 = 1080/1960
3. Likewise, for the 2nd fraction, since 40 × 49 = 1960,
   63/40 = 63 × 49/40 × 49 = 3087/1960
4. Add the two like fractions:
   1080/1960 + 3087/1960 = 1080 + 3087/1960 = 4167/1960
5. So, 54/98 + 63/40 = 4167/1960
   In mixed form: 2247/1960

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