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Subtract 1/30 from 42/4

1st number: 10 2/4, 2nd number: 1/30

42/4 - 1/30 is 157/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 30 is 60
  2. For the 1st fraction, since 4 × 15 = 60,
    42/4 = 42 × 15/4 × 15 = 630/60
  3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
    1/30 = 1 × 2/30 × 2 = 2/60
  4. Subtract the two fractions:
    630/60 - 2/60 = 630 - 2/60 = 628/60
  5. After reducing the fraction, the answer is 157/15
  6. In mixed form: 107/15

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