Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 30/64 and 80/45

1st number: 30/64, 2nd number: 1 35/45

30/64 + 80/45 is 647/288.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 64 and 45 is 2880

    Next, find the equivalent fraction of both fractional numbers with denominator 2880
  2. For the 1st fraction, since 64 × 45 = 2880,
    30/64 = 30 × 45/64 × 45 = 1350/2880
  3. Likewise, for the 2nd fraction, since 45 × 64 = 2880,
    80/45 = 80 × 64/45 × 64 = 5120/2880
  4. Add the two like fractions:
    1350/2880 + 5120/2880 = 1350 + 5120/2880 = 6470/2880
  5. 6470/2880 simplified gives 647/288
  6. So, 30/64 + 80/45 = 647/288
    In mixed form: 271/288

MathStep (Works offline)

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

Related:

© everydaycalculation.com