Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 30/27 from 4/30

1st number: 4/30, 2nd number: 1 3/27

4/30 - 30/27 is -44/45.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 27 is 270
  2. For the 1st fraction, since 30 × 9 = 270,
    4/30 = 4 × 9/30 × 9 = 36/270
  3. Likewise, for the 2nd fraction, since 27 × 10 = 270,
    30/27 = 30 × 10/27 × 10 = 300/270
  4. Subtract the two fractions:
    36/270 - 300/270 = 36 - 300/270 = -264/270
  5. After reducing the fraction, the answer is -44/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com