Answers

Add 42/84 and 6/60

42/84 + 6/60 is 3/5.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   42/84 = 42 × 5/84 × 5 = 210/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   6/60 = 6 × 7/60 × 7 = 42/420
4. Add the two like fractions:
   210/420 + 42/420 = 210 + 42/420 = 252/420
5. 252/420 simplified gives 3/5
6. So, 42/84 + 6/60 = 3/5

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