Answers

Add 54/80 and 1/84

54/80 + 1/84 is 577/840.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 84 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 80 × 21 = 1680,
   54/80 = 54 × 21/80 × 21 = 1134/1680
3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
   1/84 = 1 × 20/84 × 20 = 20/1680
4. Add the two like fractions:
   1134/1680 + 20/1680 = 1134 + 20/1680 = 1154/1680
5. 1154/1680 simplified gives 577/840
6. So, 54/80 + 1/84 = 577/840

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