Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/90 and 15/64

70/90 + 15/64 is 583/576.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 64 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 90 × 32 = 2880,
    70/90 = 70 × 32/90 × 32 = 2240/2880
  3. Likewise, for the 2nd fraction, since 64 × 45 = 2880,
    15/64 = 15 × 45/64 × 45 = 675/2880
  4. Add the two like fractions:
    2240/2880 + 675/2880 = 2240 + 675/2880 = 2915/2880
  5. 2915/2880 simplified gives 583/576
  6. So, 70/90 + 15/64 = 583/576
    In mixed form: 17/576

MathStep (Works offline)

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

Related:

© everydaycalculation.com