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Add 7/42 and 42/45

7/42 + 42/45 is 11/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    7/42 = 7 × 15/42 × 15 = 105/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    42/45 = 42 × 14/45 × 14 = 588/630
  4. Add the two like fractions:
    105/630 + 588/630 = 105 + 588/630 = 693/630
  5. 693/630 simplified gives 11/10
  6. So, 7/42 + 42/45 = 11/10
    In mixed form: 11/10

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