Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 70/45 and 2/42

1st number: 1 25/45, 2nd number: 2/42

70/45 + 2/42 is 101/63.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 42 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    70/45 = 70 × 14/45 × 14 = 980/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    2/42 = 2 × 15/42 × 15 = 30/630
  4. Add the two like fractions:
    980/630 + 30/630 = 980 + 30/630 = 1010/630
  5. 1010/630 simplified gives 101/63
  6. So, 70/45 + 2/42 = 101/63
    In mixed form: 138/63

MathStep (Works offline)

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

Related:

© everydaycalculation.com