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Add 10/90 and 63/84

10/90 + 63/84 is 31/36.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 84 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 90 × 14 = 1260,
    10/90 = 10 × 14/90 × 14 = 140/1260
  3. Likewise, for the 2nd fraction, since 84 × 15 = 1260,
    63/84 = 63 × 15/84 × 15 = 945/1260
  4. Add the two like fractions:
    140/1260 + 945/1260 = 140 + 945/1260 = 1085/1260
  5. 1085/1260 simplified gives 31/36
  6. So, 10/90 + 63/84 = 31/36

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