Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 15/18 and 63/64

15/18 + 63/64 is 349/192.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 64 is 576

    Next, find the equivalent fraction of both fractional numbers with denominator 576
  2. For the 1st fraction, since 18 × 32 = 576,
    15/18 = 15 × 32/18 × 32 = 480/576
  3. Likewise, for the 2nd fraction, since 64 × 9 = 576,
    63/64 = 63 × 9/64 × 9 = 567/576
  4. Add the two like fractions:
    480/576 + 567/576 = 480 + 567/576 = 1047/576
  5. 1047/576 simplified gives 349/192
  6. So, 15/18 + 63/64 = 349/192
    In mixed form: 1157/192

MathStep (Works offline)

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

Related:

© everydaycalculation.com