Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/45 and 8/70

40/45 + 8/70 is 316/315.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    40/45 = 40 × 14/45 × 14 = 560/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    8/70 = 8 × 9/70 × 9 = 72/630
  4. Add the two like fractions:
    560/630 + 72/630 = 560 + 72/630 = 632/630
  5. 632/630 simplified gives 316/315
  6. So, 40/45 + 8/70 = 316/315
    In mixed form: 11/315

MathStep (Works offline)

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

Related:

© everydaycalculation.com