Answers

Add 81/60 and 21/98

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

81/60 + 21/98 is 219/140.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 98 is 2940
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2940
2. For the 1st fraction, since 60 × 49 = 2940,
   81/60 = 81 × 49/60 × 49 = 3969/2940
3. Likewise, for the 2nd fraction, since 98 × 30 = 2940,
   21/98 = 21 × 30/98 × 30 = 630/2940
4. Add the two like fractions:
   3969/2940 + 630/2940 = 3969 + 630/2940 = 4599/2940
5. 4599/2940 simplified gives 219/140
6. So, 81/60 + 21/98 = 219/140
   In mixed form: 179/140

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