Answers

Add 81/60 and 30/16

1^st number: 1 21/60, 2^nd number: 1 14/16

81/60 + 30/16 is 129/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 16 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   81/60 = 81 × 4/60 × 4 = 324/240
3. Likewise, for the 2nd fraction, since 16 × 15 = 240,
   30/16 = 30 × 15/16 × 15 = 450/240
4. Add the two like fractions:
   324/240 + 450/240 = 324 + 450/240 = 774/240
5. 774/240 simplified gives 129/40
6. So, 81/60 + 30/16 = 129/40
   In mixed form: 39/40

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