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Add 25/70 and 21/3

1st number: 25/70, 2nd number: 7 0/3

25/70 + 21/3 is 103/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 3 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 70 × 3 = 210,
    25/70 = 25 × 3/70 × 3 = 75/210
  3. Likewise, for the 2nd fraction, since 3 × 70 = 210,
    21/3 = 21 × 70/3 × 70 = 1470/210
  4. Add the two like fractions:
    75/210 + 1470/210 = 75 + 1470/210 = 1545/210
  5. 1545/210 simplified gives 103/14
  6. So, 25/70 + 21/3 = 103/14
    In mixed form: 75/14

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