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Add 21/90 and 75/16

1st number: 21/90, 2nd number: 4 11/16

21/90 + 75/16 is 1181/240.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 16 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 90 × 8 = 720,
    21/90 = 21 × 8/90 × 8 = 168/720
  3. Likewise, for the 2nd fraction, since 16 × 45 = 720,
    75/16 = 75 × 45/16 × 45 = 3375/720
  4. Add the two like fractions:
    168/720 + 3375/720 = 168 + 3375/720 = 3543/720
  5. 3543/720 simplified gives 1181/240
  6. So, 21/90 + 75/16 = 1181/240
    In mixed form: 4221/240

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