Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/70 and 63/64

1st number: 1 14/70, 2nd number: 63/64

84/70 + 63/64 is 699/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 64 is 2240

    Next, find the equivalent fraction of both fractional numbers with denominator 2240
  2. For the 1st fraction, since 70 × 32 = 2240,
    84/70 = 84 × 32/70 × 32 = 2688/2240
  3. Likewise, for the 2nd fraction, since 64 × 35 = 2240,
    63/64 = 63 × 35/64 × 35 = 2205/2240
  4. Add the two like fractions:
    2688/2240 + 2205/2240 = 2688 + 2205/2240 = 4893/2240
  5. 4893/2240 simplified gives 699/320
  6. So, 84/70 + 63/64 = 699/320
    In mixed form: 259/320

MathStep (Works offline)

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

Related:

© everydaycalculation.com