Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 50/42 and 16/90

1st number: 1 8/42, 2nd number: 16/90

50/42 + 16/90 is 431/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    50/42 = 50 × 15/42 × 15 = 750/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    16/90 = 16 × 7/90 × 7 = 112/630
  4. Add the two like fractions:
    750/630 + 112/630 = 750 + 112/630 = 862/630
  5. 862/630 simplified gives 431/315
  6. So, 50/42 + 16/90 = 431/315
    In mixed form: 1116/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com