Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 63/45 and 3/42

1st number: 1 18/45, 2nd number: 3/42

63/45 + 3/42 is 103/70.

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,
    63/45 = 63 × 14/45 × 14 = 882/630
  3. Likewise, for the 2nd fraction, since 42 × 15 = 630,
    3/42 = 3 × 15/42 × 15 = 45/630
  4. Add the two like fractions:
    882/630 + 45/630 = 882 + 45/630 = 927/630
  5. 927/630 simplified gives 103/70
  6. So, 63/45 + 3/42 = 103/70
    In mixed form: 133/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com