Answers

Add 1/84 and 54/70

1/84 + 54/70 is 47/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   1/84 = 1 × 5/84 × 5 = 5/420
3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
   54/70 = 54 × 6/70 × 6 = 324/420
4. Add the two like fractions:
   5/420 + 324/420 = 5 + 324/420 = 329/420
5. 329/420 simplified gives 47/60
6. So, 1/84 + 54/70 = 47/60

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