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Add 25/70 and 21/30

25/70 + 21/30 is 37/35.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 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 30 × 7 = 210,
    21/30 = 21 × 7/30 × 7 = 147/210
  4. Add the two like fractions:
    75/210 + 147/210 = 75 + 147/210 = 222/210
  5. 222/210 simplified gives 37/35
  6. So, 25/70 + 21/30 = 37/35
    In mixed form: 12/35

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