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Add 10/80 and 21/63

10/80 + 21/63 is 11/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 80 and 63 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 80 × 63 = 5040,
    10/80 = 10 × 63/80 × 63 = 630/5040
  3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
    21/63 = 21 × 80/63 × 80 = 1680/5040
  4. Add the two like fractions:
    630/5040 + 1680/5040 = 630 + 1680/5040 = 2310/5040
  5. 2310/5040 simplified gives 11/24
  6. So, 10/80 + 21/63 = 11/24

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