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Add 21/90 and 35/10

1st number: 21/90, 2nd number: 3 5/10

21/90 + 35/10 is 56/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 10 is 90

    Next, find the equivalent fraction of both fractional numbers with denominator 90
  2. For the 1st fraction, since 90 × 1 = 90,
    21/90 = 21 × 1/90 × 1 = 21/90
  3. Likewise, for the 2nd fraction, since 10 × 9 = 90,
    35/10 = 35 × 9/10 × 9 = 315/90
  4. Add the two like fractions:
    21/90 + 315/90 = 21 + 315/90 = 336/90
  5. 336/90 simplified gives 56/15
  6. So, 21/90 + 35/10 = 56/15
    In mixed form: 311/15

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