Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/70 and 75/16

1st number: 42/70, 2nd number: 4 11/16

42/70 + 75/16 is 423/80.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 16 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    42/70 = 42 × 8/70 × 8 = 336/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    75/16 = 75 × 35/16 × 35 = 2625/560
  4. Add the two like fractions:
    336/560 + 2625/560 = 336 + 2625/560 = 2961/560
  5. 2961/560 simplified gives 423/80
  6. So, 42/70 + 75/16 = 423/80
    In mixed form: 523/80

MathStep (Works offline)

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

Related:

© everydaycalculation.com