Answers

Add 7/60 and 45/84

7/60 + 45/84 is 137/210.

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,
   7/60 = 7 × 7/60 × 7 = 49/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   45/84 = 45 × 5/84 × 5 = 225/420
4. Add the two like fractions:
   49/420 + 225/420 = 49 + 225/420 = 274/420
5. 274/420 simplified gives 137/210
6. So, 7/60 + 45/84 = 137/210

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