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Add 12/56 and 40/45

12/56 + 40/45 is 139/126.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 45 is 2520

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 56 × 45 = 2520,
    12/56 = 12 × 45/56 × 45 = 540/2520
  3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
    40/45 = 40 × 56/45 × 56 = 2240/2520
  4. Add the two like fractions:
    540/2520 + 2240/2520 = 540 + 2240/2520 = 2780/2520
  5. 2780/2520 simplified gives 139/126
  6. So, 12/56 + 40/45 = 139/126
    In mixed form: 113/126

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