Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/35 and 70/90

1st number: 2 14/35, 2nd number: 70/90

84/35 + 70/90 is 143/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 90 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    84/35 = 84 × 18/35 × 18 = 1512/630
  3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
    70/90 = 70 × 7/90 × 7 = 490/630
  4. Add the two fractions:
    1512/630 + 490/630 = 1512 + 490/630 = 2002/630
  5. 2002/630 simplified gives 143/45
  6. So, 84/35 + 70/90 = 143/45
    In mixed form: 38/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com