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Add 20/70 and 90/30

1st number: 20/70, 2nd number: 3 0/30

20/70 + 90/30 is 23/7.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 30 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    20/70 = 20 × 3/70 × 3 = 60/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    90/30 = 90 × 7/30 × 7 = 630/210
  4. Add the two fractions:
    60/210 + 630/210 = 60 + 630/210 = 690/210
  5. After reducing the fraction, the answer is 23/7
  6. In mixed form: 32/7

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