Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/70 and 40/16

1st number: 1 2/70, 2nd number: 2 8/16

72/70 + 40/16 is 247/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 16 is 560

    Next, find the equivalent fraction of both fractional numbers with denominator 560
  2. For the 1st fraction, since 70 × 8 = 560,
    72/70 = 72 × 8/70 × 8 = 576/560
  3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
    40/16 = 40 × 35/16 × 35 = 1400/560
  4. Add the two like fractions:
    576/560 + 1400/560 = 576 + 1400/560 = 1976/560
  5. 1976/560 simplified gives 247/70
  6. So, 72/70 + 40/16 = 247/70
    In mixed form: 337/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com