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Add 45/21 and 1/90

1st number: 2 3/21, 2nd number: 1/90

45/21 + 1/90 is 1357/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 21 × 30 = 630,
    45/21 = 45 × 30/21 × 30 = 1350/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Add the two like fractions:
    1350/630 + 7/630 = 1350 + 7/630 = 1357/630
  5. So, 45/21 + 1/90 = 1357/630
    In mixed form: 297/630

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