Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 2/42 and 72/40

1st number: 2/42, 2nd number: 1 32/40

2/42 + 72/40 is 194/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 42 × 20 = 840,
    2/42 = 2 × 20/42 × 20 = 40/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    72/40 = 72 × 21/40 × 21 = 1512/840
  4. Add the two like fractions:
    40/840 + 1512/840 = 40 + 1512/840 = 1552/840
  5. 1552/840 simplified gives 194/105
  6. So, 2/42 + 72/40 = 194/105
    In mixed form: 189/105

MathStep (Works offline)

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

Related:

© everydaycalculation.com