Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 8/70 and 1/90

8/70 + 1/90 is 79/630.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 90 is 630
  2. For the 1st fraction, since 70 × 9 = 630,
    8/70 = 8 × 9/70 × 9 = 72/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    1/90 = 1 × 7/90 × 7 = 7/630
  4. Add the two fractions:
    72/630 + 7/630 = 72 + 7/630 = 79/630

MathStep (Works offline)

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

Related:

© everydaycalculation.com