Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/42 and 42/80

1st number: 1 6/42, 2nd number: 42/80

48/42 + 42/80 is 467/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 80 is 1680

    Next, find the equivalent fraction of both fractional numbers with denominator 1680
  2. For the 1st fraction, since 42 × 40 = 1680,
    48/42 = 48 × 40/42 × 40 = 1920/1680
  3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
    42/80 = 42 × 21/80 × 21 = 882/1680
  4. Add the two like fractions:
    1920/1680 + 882/1680 = 1920 + 882/1680 = 2802/1680
  5. 2802/1680 simplified gives 467/280
  6. So, 48/42 + 42/80 = 467/280
    In mixed form: 1187/280

MathStep (Works offline)

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

Related:

© everydaycalculation.com