Answers

Add 21/8 and 54/98

1^st number: 2 5/8, 2^nd number: 54/98

21/8 + 54/98 is 1245/392.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 98 is 392
   
   Next, find the equivalent fraction of both fractional numbers with denominator 392
2. For the 1st fraction, since 8 × 49 = 392,
   21/8 = 21 × 49/8 × 49 = 1029/392
3. Likewise, for the 2nd fraction, since 98 × 4 = 392,
   54/98 = 54 × 4/98 × 4 = 216/392
4. Add the two like fractions:
   1029/392 + 216/392 = 1029 + 216/392 = 1245/392
5. So, 21/8 + 54/98 = 1245/392
   In mixed form: 369/392

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