Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 1/40 from 42/75

42/75 - 1/40 is 107/200.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 75 and 40 is 600

    Next, find the equivalent fraction of both fractional numbers with denominator 600
  2. For the 1st fraction, since 75 × 8 = 600,
    42/75 = 42 × 8/75 × 8 = 336/600
  3. Likewise, for the 2nd fraction, since 40 × 15 = 600,
    1/40 = 1 × 15/40 × 15 = 15/600
  4. Subtract the two like fractions:
    336/600 - 15/600 = 336 - 15/600 = 321/600
  5. After reducing the fraction, the answer is 107/200

MathStep (Works offline)

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

Related:

© everydaycalculation.com