Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/75 from 42/10

1st number: 4 2/10, 2nd number: 42/75

42/10 - 42/75 is 91/25.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 75 is 150

    Next, find the equivalent fraction of both fractional numbers with denominator 150
  2. For the 1st fraction, since 10 × 15 = 150,
    42/10 = 42 × 15/10 × 15 = 630/150
  3. Likewise, for the 2nd fraction, since 75 × 2 = 150,
    42/75 = 42 × 2/75 × 2 = 84/150
  4. Subtract the two like fractions:
    630/150 - 84/150 = 630 - 84/150 = 546/150
  5. After reducing the fraction, the answer is 91/25
  6. In mixed form: 316/25

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

© everydaycalculation.com