Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 30/8 from 7/2

1st number: 3 1/2, 2nd number: 3 6/8

7/2 - 30/8 is -1/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8
  2. For the 1st fraction, since 2 × 4 = 8,
    7/2 = 7 × 4/2 × 4 = 28/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    30/8 = 30 × 1/8 × 1 = 30/8
  4. Subtract the two fractions:
    28/8 - 30/8 = 28 - 30/8 = -2/8
  5. After reducing the fraction, the answer is -1/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com