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Add 21/36 and 90/8

1st number: 21/36, 2nd number: 11 2/8

21/36 + 90/8 is 71/6.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 36 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 36 × 2 = 72,
    21/36 = 21 × 2/36 × 2 = 42/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    90/8 = 90 × 9/8 × 9 = 810/72
  4. Add the two like fractions:
    42/72 + 810/72 = 42 + 810/72 = 852/72
  5. 852/72 simplified gives 71/6
  6. So, 21/36 + 90/8 = 71/6
    In mixed form: 115/6

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