Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 4/45 from 2/70

2/70 - 4/45 is -19/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 70 × 9 = 630,
    2/70 = 2 × 9/70 × 9 = 18/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    4/45 = 4 × 14/45 × 14 = 56/630
  4. Subtract the two like fractions:
    18/630 - 56/630 = 18 - 56/630 = -38/630
  5. After reducing the fraction, the answer is -19/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com