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Subtract 2/7 from 42/10

1st number: 4 2/10, 2nd number: 2/7

42/10 - 2/7 is 137/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 7 is 70

    Next, find the equivalent fraction of both fractional numbers with denominator 70
  2. For the 1st fraction, since 10 × 7 = 70,
    42/10 = 42 × 7/10 × 7 = 294/70
  3. Likewise, for the 2nd fraction, since 7 × 10 = 70,
    2/7 = 2 × 10/7 × 10 = 20/70
  4. Subtract the two like fractions:
    294/70 - 20/70 = 294 - 20/70 = 274/70
  5. After reducing the fraction, the answer is 137/35
  6. In mixed form: 332/35

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