Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 1/45 from 50/42

1st number: 1 8/42, 2nd number: 1/45

50/42 - 1/45 is 368/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630
  2. For the 1st fraction, since 42 × 15 = 630,
    50/42 = 50 × 15/42 × 15 = 750/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    1/45 = 1 × 14/45 × 14 = 14/630
  4. Subtract the two fractions:
    750/630 - 14/630 = 750 - 14/630 = 736/630
  5. After reducing the fraction, the answer is 368/315
  6. In mixed form: 153/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com