Answers

Add 3/60 and 9/84

3/60 + 9/84 is 11/70.

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,
   3/60 = 3 × 7/60 × 7 = 21/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   9/84 = 9 × 5/84 × 5 = 45/420
4. Add the two like fractions:
   21/420 + 45/420 = 21 + 45/420 = 66/420
5. 66/420 simplified gives 11/70
6. So, 3/60 + 9/84 = 11/70

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