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Add 72/14 and 21/90

1st number: 5 2/14, 2nd number: 21/90

72/14 + 21/90 is 1129/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 14 × 45 = 630,
    72/14 = 72 × 45/14 × 45 = 3240/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    21/90 = 21 × 7/90 × 7 = 147/630
  4. Add the two like fractions:
    3240/630 + 147/630 = 3240 + 147/630 = 3387/630
  5. 3387/630 simplified gives 1129/210
  6. So, 72/14 + 21/90 = 1129/210
    In mixed form: 579/210

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