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Add 45/56 and 21/45

45/56 + 21/45 is 1067/840.

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,
    45/56 = 45 × 45/56 × 45 = 2025/2520
  3. Likewise, for the 2nd fraction, since 45 × 56 = 2520,
    21/45 = 21 × 56/45 × 56 = 1176/2520
  4. Add the two like fractions:
    2025/2520 + 1176/2520 = 2025 + 1176/2520 = 3201/2520
  5. 3201/2520 simplified gives 1067/840
  6. So, 45/56 + 21/45 = 1067/840
    In mixed form: 1227/840

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