Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 42/35 from 1/30

1st number: 1/30, 2nd number: 1 7/35

1/30 - 42/35 is -7/6.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    1/30 = 1 × 7/30 × 7 = 7/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    42/35 = 42 × 6/35 × 6 = 252/210
  4. Subtract the two like fractions:
    7/210 - 252/210 = 7 - 252/210 = -245/210
  5. After reducing the fraction, the answer is -7/6

MathStep (Works offline)

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

Related:

© everydaycalculation.com