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Add 7/80 and 45/84

7/80 + 45/84 is 349/560.

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,
    7/80 = 7 × 21/80 × 21 = 147/1680
  3. Likewise, for the 2nd fraction, since 84 × 20 = 1680,
    45/84 = 45 × 20/84 × 20 = 900/1680
  4. Add the two like fractions:
    147/1680 + 900/1680 = 147 + 900/1680 = 1047/1680
  5. 1047/1680 simplified gives 349/560
  6. So, 7/80 + 45/84 = 349/560

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