Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 45/10 from 42/4

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

42/4 - 45/10 is 6/1.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 10 is 20
  2. For the 1st fraction, since 4 × 5 = 20,
    42/4 = 42 × 5/4 × 5 = 210/20
  3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
    45/10 = 45 × 2/10 × 2 = 90/20
  4. Subtract the two fractions:
    210/20 - 90/20 = 210 - 90/20 = 120/20
  5. After reducing the fraction, the answer is 6/1

MathStep (Works offline)

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

Related:

© everydaycalculation.com