Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 45/10 from 4/42

1st number: 4/42, 2nd number: 4 5/10

4/42 - 45/10 is -185/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 10 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    4/42 = 4 × 5/42 × 5 = 20/210
  3. Likewise, for the 2nd fraction, since 10 × 21 = 210,
    45/10 = 45 × 21/10 × 21 = 945/210
  4. Subtract the two like fractions:
    20/210 - 945/210 = 20 - 945/210 = -925/210
  5. After reducing the fraction, the answer is -185/42

MathStep (Works offline)

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

Related:

© everydaycalculation.com