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Add 21/80 and 9/50

21/80 + 9/50 is 177/400.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 50 is 400

    Next, find the equivalent fraction of both fractional numbers with denominator 400
  2. For the 1st fraction, since 80 × 5 = 400,
    21/80 = 21 × 5/80 × 5 = 105/400
  3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
    9/50 = 9 × 8/50 × 8 = 72/400
  4. Add the two like fractions:
    105/400 + 72/400 = 105 + 72/400 = 177/400
  5. So, 21/80 + 9/50 = 177/400

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