Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/48 and 64/90

42/48 + 64/90 is 571/360.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 90 is 720

    Next, find the equivalent fraction of both fractional numbers with denominator 720
  2. For the 1st fraction, since 48 × 15 = 720,
    42/48 = 42 × 15/48 × 15 = 630/720
  3. Likewise, for the 2nd fraction, since 90 × 8 = 720,
    64/90 = 64 × 8/90 × 8 = 512/720
  4. Add the two like fractions:
    630/720 + 512/720 = 630 + 512/720 = 1142/720
  5. 1142/720 simplified gives 571/360
  6. So, 42/48 + 64/90 = 571/360
    In mixed form: 1211/360

MathStep (Works offline)

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

Related:

© everydaycalculation.com