Answers

Solutions by everydaycalculation.com

Everydaycalculation.com » Answers » Add fractions

Add 84/70 and 15/64

1st number: 1 14/70, 2nd number: 15/64

84/70 + 15/64 is 459/320.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 64 is 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,
    15/64 = 15 × 35/64 × 35 = 525/2240
  4. Add the two fractions:
    2688/2240 + 525/2240 = 2688 + 525/2240 = 3213/2240
  5. After reducing the fraction, the answer is 459/320
  6. In mixed form: 1139/320

MathStep (Works offline)

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

Related:

© everydaycalculation.com