Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/7 and 14/90

1st number: 10 0/7, 2nd number: 14/90

70/7 + 14/90 is 457/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 90 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 7 × 90 = 630,
    70/7 = 70 × 90/7 × 90 = 6300/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    14/90 = 14 × 7/90 × 7 = 98/630
  4. Add the two like fractions:
    6300/630 + 98/630 = 6300 + 98/630 = 6398/630
  5. 6398/630 simplified gives 457/45
  6. So, 70/7 + 14/90 = 457/45
    In mixed form: 107/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com