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Add 1/18 and 90/48

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

1/18 + 90/48 is 139/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 48 is 144
  2. For the 1st fraction, since 18 × 8 = 144,
    1/18 = 1 × 8/18 × 8 = 8/144
  3. Likewise, for the 2nd fraction, since 48 × 3 = 144,
    90/48 = 90 × 3/48 × 3 = 270/144
  4. Add the two fractions:
    8/144 + 270/144 = 8 + 270/144 = 278/144
  5. 278/144 simplified gives 139/72
  6. So, 1/18 + 90/48 = 139/72
    In mixed form: 167/72

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