Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/6 from 72/70

1st number: 1 2/70, 2nd number: 5 0/6

72/70 - 30/6 is -139/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 6 is 210
  2. For the 1st fraction, since 70 × 3 = 210,
    72/70 = 72 × 3/70 × 3 = 216/210
  3. Likewise, for the 2nd fraction, since 6 × 35 = 210,
    30/6 = 30 × 35/6 × 35 = 1050/210
  4. Subtract the two fractions:
    216/210 - 1050/210 = 216 - 1050/210 = -834/210
  5. After reducing the fraction, the answer is -139/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com