Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/70 and 42/90

2/70 + 42/90 is 52/105.

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,
    2/70 = 2 × 9/70 × 9 = 18/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    42/90 = 42 × 7/90 × 7 = 294/630
  4. Add the two fractions:
    18/630 + 294/630 = 18 + 294/630 = 312/630
  5. 312/630 simplified gives 52/105
  6. So, 2/70 + 42/90 = 52/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com