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Add 21/18 and 90/48

1st number: 1 3/18, 2nd number: 1 42/48

21/18 + 90/48 is 73/24.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 48 is 144

    Next, find the equivalent fraction of both fractional numbers with denominator 144
  2. For the 1st fraction, since 18 × 8 = 144,
    21/18 = 21 × 8/18 × 8 = 168/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    90/48 = 90 × 3/48 × 3 = 270/144
  4. Add the two like fractions:
    168/144 + 270/144 = 168 + 270/144 = 438/144
  5. 438/144 simplified gives 73/24
  6. So, 21/18 + 90/48 = 73/24
    In mixed form: 31/24

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