Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/14 and 70/40

1st number: 3 0/14, 2nd number: 1 30/40

42/14 + 70/40 is 19/4.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 14 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 14 × 20 = 280,
    42/14 = 42 × 20/14 × 20 = 840/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    70/40 = 70 × 7/40 × 7 = 490/280
  4. Add the two like fractions:
    840/280 + 490/280 = 840 + 490/280 = 1330/280
  5. 1330/280 simplified gives 19/4
  6. So, 42/14 + 70/40 = 19/4
    In mixed form: 43/4

MathStep (Works offline)

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

Related:

© everydaycalculation.com