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Add 45/28 and 15/21

1st number: 1 17/28, 2nd number: 15/21

45/28 + 15/21 is 65/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 21 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 28 × 3 = 84,
    45/28 = 45 × 3/28 × 3 = 135/84
  3. Likewise, for the 2nd fraction, since 21 × 4 = 84,
    15/21 = 15 × 4/21 × 4 = 60/84
  4. Add the two like fractions:
    135/84 + 60/84 = 135 + 60/84 = 195/84
  5. 195/84 simplified gives 65/28
  6. So, 45/28 + 15/21 = 65/28
    In mixed form: 29/28

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