Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/24 and 75/70

1st number: 1 18/24, 2nd number: 1 5/70

42/24 + 75/70 is 79/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 24 and 70 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 24 × 35 = 840,
    42/24 = 42 × 35/24 × 35 = 1470/840
  3. Likewise, for the 2nd fraction, since 70 × 12 = 840,
    75/70 = 75 × 12/70 × 12 = 900/840
  4. Add the two like fractions:
    1470/840 + 900/840 = 1470 + 900/840 = 2370/840
  5. 2370/840 simplified gives 79/28
  6. So, 42/24 + 75/70 = 79/28
    In mixed form: 223/28

MathStep (Works offline)

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

Related:

© everydaycalculation.com