Answers

Add 21/98 and 63/60

1^st number: 21/98, 2^nd number: 1 3/60

21/98 + 63/60 is 177/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 60 is 2940
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2940
2. For the 1st fraction, since 98 × 30 = 2940,
   21/98 = 21 × 30/98 × 30 = 630/2940
3. Likewise, for the 2nd fraction, since 60 × 49 = 2940,
   63/60 = 63 × 49/60 × 49 = 3087/2940
4. Add the two like fractions:
   630/2940 + 3087/2940 = 630 + 3087/2940 = 3717/2940
5. 3717/2940 simplified gives 177/140
6. So, 21/98 + 63/60 = 177/140
   In mixed form: 137/140

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