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Add 3/42 and 90/45

1st number: 3/42, 2nd number: 2 0/45

3/42 + 90/45 is 29/14.

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,
    3/42 = 3 × 15/42 × 15 = 45/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    90/45 = 90 × 14/45 × 14 = 1260/630
  4. Add the two like fractions:
    45/630 + 1260/630 = 45 + 1260/630 = 1305/630
  5. 1305/630 simplified gives 29/14
  6. So, 3/42 + 90/45 = 29/14
    In mixed form: 21/14

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