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Add 72/14 and 21/30

1st number: 5 2/14, 2nd number: 21/30

72/14 + 21/30 is 409/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 14 × 15 = 210,
    72/14 = 72 × 15/14 × 15 = 1080/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  4. Add the two like fractions:
    1080/210 + 147/210 = 1080 + 147/210 = 1227/210
  5. 1227/210 simplified gives 409/70
  6. So, 72/14 + 21/30 = 409/70
    In mixed form: 559/70

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