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Add 1/45 and 21/14

1st number: 1/45, 2nd number: 1 7/14

1/45 + 21/14 is 137/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 14 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    1/45 = 1 × 14/45 × 14 = 14/630
  3. Likewise, for the 2nd fraction, since 14 × 45 = 630,
    21/14 = 21 × 45/14 × 45 = 945/630
  4. Add the two like fractions:
    14/630 + 945/630 = 14 + 945/630 = 959/630
  5. 959/630 simplified gives 137/90
  6. So, 1/45 + 21/14 = 137/90
    In mixed form: 147/90

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