Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 84/8 and 7/90

1st number: 10 4/8, 2nd number: 7/90

84/8 + 7/90 is 476/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 90 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 8 × 45 = 360,
    84/8 = 84 × 45/8 × 45 = 3780/360
  3. Likewise, for the 2nd fraction, since 90 × 4 = 360,
    7/90 = 7 × 4/90 × 4 = 28/360
  4. Add the two like fractions:
    3780/360 + 28/360 = 3780 + 28/360 = 3808/360
  5. 3808/360 simplified gives 476/45
  6. So, 84/8 + 7/90 = 476/45
    In mixed form: 1026/45

MathStep (Works offline)

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

Related:

© everydaycalculation.com