Answers

Add 32/42 and 21/60

32/42 + 21/60 is 467/420.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   32/42 = 32 × 10/42 × 10 = 320/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   21/60 = 21 × 7/60 × 7 = 147/420
4. Add the two like fractions:
   320/420 + 147/420 = 320 + 147/420 = 467/420
5. So, 32/42 + 21/60 = 467/420
   In mixed form: 147/420

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