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Add 30/28 and 20/70

1st number: 1 2/28, 2nd number: 20/70

30/28 + 20/70 is 19/14.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 70 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    30/28 = 30 × 5/28 × 5 = 150/140
  3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
    20/70 = 20 × 2/70 × 2 = 40/140
  4. Add the two fractions:
    150/140 + 40/140 = 150 + 40/140 = 190/140
  5. 190/140 simplified gives 19/14
  6. So, 30/28 + 20/70 = 19/14
    In mixed form: 15/14

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