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Add 15/56 and 20/30

15/56 + 20/30 is 157/168.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 30 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 56 × 15 = 840,
    15/56 = 15 × 15/56 × 15 = 225/840
  3. Likewise, for the 2nd fraction, since 30 × 28 = 840,
    20/30 = 20 × 28/30 × 28 = 560/840
  4. Add the two like fractions:
    225/840 + 560/840 = 225 + 560/840 = 785/840
  5. 785/840 simplified gives 157/168
  6. So, 15/56 + 20/30 = 157/168

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