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Add 40/28 and 7/30

1st number: 1 12/28, 2nd number: 7/30

40/28 + 7/30 is 349/210.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 30 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    40/28 = 40 × 15/28 × 15 = 600/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    7/30 = 7 × 14/30 × 14 = 98/420
  4. Add the two fractions:
    600/420 + 98/420 = 600 + 98/420 = 698/420
  5. After reducing the fraction, the answer is 349/210
  6. In mixed form: 1139/210

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