Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Subtract fractions

Subtract 4/70 from 64/45

1st number: 1 19/45, 2nd number: 4/70

64/45 - 4/70 is 86/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630
  2. For the 1st fraction, since 45 × 14 = 630,
    64/45 = 64 × 14/45 × 14 = 896/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    4/70 = 4 × 9/70 × 9 = 36/630
  4. Subtract the two fractions:
    896/630 - 36/630 = 896 - 36/630 = 860/630
  5. After reducing the fraction, the answer is 86/63
  6. In mixed form: 123/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com