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Add 20/45 and 81/56

1st number: 20/45, 2nd number: 1 25/56

20/45 + 81/56 is 953/504.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 2520
  2. For the 1st fraction, since 45 × 56 = 2520,
    20/45 = 20 × 56/45 × 56 = 1120/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    81/56 = 81 × 45/56 × 45 = 3645/2520
  4. Add the two like fractions:
    1120/2520 + 3645/2520 = 1120 + 3645/2520 = 4765/2520
  5. 4765/2520 simplified gives 953/504
  6. So, 20/45 + 81/56 = 953/504
    In mixed form: 1449/504

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