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Add 3/15 and 45/56

3/15 + 45/56 is 281/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 15 × 56 = 840,
    3/15 = 3 × 56/15 × 56 = 168/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    45/56 = 45 × 15/56 × 15 = 675/840
  4. Add the two like fractions:
    168/840 + 675/840 = 168 + 675/840 = 843/840
  5. 843/840 simplified gives 281/280
  6. So, 3/15 + 45/56 = 281/280
    In mixed form: 11/280

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