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Add 90/45 and 2/21

1st number: 2 0/45, 2nd number: 2/21

90/45 + 2/21 is 44/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 21 is 315

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 45 × 7 = 315,
    90/45 = 90 × 7/45 × 7 = 630/315
  3. Likewise, for the 2nd fraction, since 21 × 15 = 315,
    2/21 = 2 × 15/21 × 15 = 30/315
  4. Add the two like fractions:
    630/315 + 30/315 = 630 + 30/315 = 660/315
  5. 660/315 simplified gives 44/21
  6. So, 90/45 + 2/21 = 44/21
    In mixed form: 22/21

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