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Add 90/28 and 21/18

1st number: 3 6/28, 2nd number: 1 3/18

90/28 + 21/18 is 92/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 28 × 9 = 252,
    90/28 = 90 × 9/28 × 9 = 810/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    21/18 = 21 × 14/18 × 14 = 294/252
  4. Add the two like fractions:
    810/252 + 294/252 = 810 + 294/252 = 1104/252
  5. 1104/252 simplified gives 92/21
  6. So, 90/28 + 21/18 = 92/21
    In mixed form: 48/21

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