Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/90 from 42/35

1st number: 1 7/35, 2nd number: 35/90

42/35 - 35/90 is 73/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    42/35 = 42 × 18/35 × 18 = 756/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    35/90 = 35 × 7/90 × 7 = 245/630
  4. Subtract the two like fractions:
    756/630 - 245/630 = 756 - 245/630 = 511/630
  5. After reducing the fraction, the answer is 73/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com