Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Subtract fractions

Subtract 35/30 from 42/40

1st number: 1 2/40, 2nd number: 1 5/30

42/40 - 35/30 is -7/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 30 is 120
  2. For the 1st fraction, since 40 × 3 = 120,
    42/40 = 42 × 3/40 × 3 = 126/120
  3. Likewise, for the 2nd fraction, since 30 × 4 = 120,
    35/30 = 35 × 4/30 × 4 = 140/120
  4. Subtract the two fractions:
    126/120 - 140/120 = 126 - 140/120 = -14/120
  5. After reducing the fraction, the answer is -7/60

MathStep (Works offline)

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

Related:

© everydaycalculation.com