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Add 56/21 and 12/45

1st number: 2 14/21, 2nd number: 12/45

56/21 + 12/45 is 44/15.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 315
  2. For the 1st fraction, since 21 × 15 = 315,
    56/21 = 56 × 15/21 × 15 = 840/315
  3. Likewise, for the 2nd fraction, since 45 × 7 = 315,
    12/45 = 12 × 7/45 × 7 = 84/315
  4. Add the two like fractions:
    840/315 + 84/315 = 840 + 84/315 = 924/315
  5. 924/315 simplified gives 44/15
  6. So, 56/21 + 12/45 = 44/15
    In mixed form: 214/15

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