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Add 3/15 and 10/70

3/15 + 10/70 is 12/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 70 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 15 × 14 = 210,
    3/15 = 3 × 14/15 × 14 = 42/210
  3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
    10/70 = 10 × 3/70 × 3 = 30/210
  4. Add the two like fractions:
    42/210 + 30/210 = 42 + 30/210 = 72/210
  5. 72/210 simplified gives 12/35
  6. So, 3/15 + 10/70 = 12/35

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