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Add 21/9 and 90/56

1st number: 2 3/9, 2nd number: 1 34/56

21/9 + 90/56 is 331/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 9 and 56 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 9 × 56 = 504,
    21/9 = 21 × 56/9 × 56 = 1176/504
  3. Likewise, for the 2nd fraction, since 56 × 9 = 504,
    90/56 = 90 × 9/56 × 9 = 810/504
  4. Add the two like fractions:
    1176/504 + 810/504 = 1176 + 810/504 = 1986/504
  5. 1986/504 simplified gives 331/84
  6. So, 21/9 + 90/56 = 331/84
    In mixed form: 379/84

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