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Add 18/21 and 90/48

1st number: 18/21, 2nd number: 1 42/48

18/21 + 90/48 is 153/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 48 is 336
  2. For the 1st fraction, since 21 × 16 = 336,
    18/21 = 18 × 16/21 × 16 = 288/336
  3. Likewise, for the 2nd fraction, since 48 × 7 = 336,
    90/48 = 90 × 7/48 × 7 = 630/336
  4. Add the two fractions:
    288/336 + 630/336 = 288 + 630/336 = 918/336
  5. 918/336 simplified gives 153/56
  6. So, 18/21 + 90/48 = 153/56
    In mixed form: 241/56

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