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Subtract 1/30 from 42/28

1st number: 1 14/28, 2nd number: 1/30

42/28 - 1/30 is 22/15.

Steps for subtracting 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,
    42/28 = 42 × 15/28 × 15 = 630/420
  3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
    1/30 = 1 × 14/30 × 14 = 14/420
  4. Subtract the two fractions:
    630/420 - 14/420 = 630 - 14/420 = 616/420
  5. After reducing the fraction, the answer is 22/15
  6. In mixed form: 17/15

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