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Subtract 3/63 from 42/10

1st number: 4 2/10, 2nd number: 3/63

42/10 - 3/63 is 436/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 63 is 630
  2. For the 1st fraction, since 10 × 63 = 630,
    42/10 = 42 × 63/10 × 63 = 2646/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    3/63 = 3 × 10/63 × 10 = 30/630
  4. Subtract the two fractions:
    2646/630 - 30/630 = 2646 - 30/630 = 2616/630
  5. After reducing the fraction, the answer is 436/105
  6. In mixed form: 416/105

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