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Add 3/14 and 72/90

3/14 + 72/90 is 71/70.

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,
    3/14 = 3 × 45/14 × 45 = 135/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    72/90 = 72 × 7/90 × 7 = 504/630
  4. Add the two like fractions:
    135/630 + 504/630 = 135 + 504/630 = 639/630
  5. 639/630 simplified gives 71/70
  6. So, 3/14 + 72/90 = 71/70
    In mixed form: 11/70

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