Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 30/7 from 42/5

1st number: 8 2/5, 2nd number: 4 2/7

42/5 - 30/7 is 144/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35

    Next, find the equivalent fraction of both fractional numbers with denominator 35
  2. For the 1st fraction, since 5 × 7 = 35,
    42/5 = 42 × 7/5 × 7 = 294/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    30/7 = 30 × 5/7 × 5 = 150/35
  4. Subtract the two like fractions:
    294/35 - 150/35 = 294 - 150/35 = 144/35
  5. In mixed form: 44/35

MathStep (Works offline)

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

Related:

© everydaycalculation.com