Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 40/10 and 21/64

1st number: 4 0/10, 2nd number: 21/64

40/10 + 21/64 is 277/64.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 64 is 320

    Next, find the equivalent fraction of both fractional numbers with denominator 320
  2. For the 1st fraction, since 10 × 32 = 320,
    40/10 = 40 × 32/10 × 32 = 1280/320
  3. Likewise, for the 2nd fraction, since 64 × 5 = 320,
    21/64 = 21 × 5/64 × 5 = 105/320
  4. Add the two like fractions:
    1280/320 + 105/320 = 1280 + 105/320 = 1385/320
  5. 1385/320 simplified gives 277/64
  6. So, 40/10 + 21/64 = 277/64
    In mixed form: 421/64

MathStep (Works offline)

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

Related:

© everydaycalculation.com