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Add 1/45 and 42/56

1/45 + 42/56 is 139/180.

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,
    1/45 = 1 × 56/45 × 56 = 56/2520
  3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
    42/56 = 42 × 45/56 × 45 = 1890/2520
  4. Add the two like fractions:
    56/2520 + 1890/2520 = 56 + 1890/2520 = 1946/2520
  5. 1946/2520 simplified gives 139/180
  6. So, 1/45 + 42/56 = 139/180

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