Answers

Add 81/60 and 81/84

1^st number: 1 21/60, 2^nd number: 81/84

81/60 + 81/84 is 81/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   81/60 = 81 × 7/60 × 7 = 567/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   81/84 = 81 × 5/84 × 5 = 405/420
4. Add the two like fractions:
   567/420 + 405/420 = 567 + 405/420 = 972/420
5. 972/420 simplified gives 81/35
6. So, 81/60 + 81/84 = 81/35
   In mixed form: 211/35

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