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Add 2/84 and 63/90

2/84 + 63/90 is 76/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 90 is 1260
  2. For the 1st fraction, since 84 × 15 = 1260,
    2/84 = 2 × 15/84 × 15 = 30/1260
  3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
    63/90 = 63 × 14/90 × 14 = 882/1260
  4. Add the two fractions:
    30/1260 + 882/1260 = 30 + 882/1260 = 912/1260
  5. 912/1260 simplified gives 76/105
  6. So, 2/84 + 63/90 = 76/105

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