Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/45 from 42/49

42/49 - 35/45 is 5/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 45 is 2205
  2. For the 1st fraction, since 49 × 45 = 2205,
    42/49 = 42 × 45/49 × 45 = 1890/2205
  3. Likewise, for the 2nd fraction, since 45 × 49 = 2205,
    35/45 = 35 × 49/45 × 49 = 1715/2205
  4. Subtract the two fractions:
    1890/2205 - 1715/2205 = 1890 - 1715/2205 = 175/2205
  5. After reducing the fraction, the answer is 5/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com