Answers

Add 81/35 and 4/60

1^st number: 2 11/35, 2^nd number: 4/60

81/35 + 4/60 is 50/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 35 × 12 = 420,
   81/35 = 81 × 12/35 × 12 = 972/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   4/60 = 4 × 7/60 × 7 = 28/420
4. Add the two like fractions:
   972/420 + 28/420 = 972 + 28/420 = 1000/420
5. 1000/420 simplified gives 50/21
6. So, 81/35 + 4/60 = 50/21
   In mixed form: 28/21

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