Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 48/45 and 21/70

1st number: 1 3/45, 2nd number: 21/70

48/45 + 21/70 is 41/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 70 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 45 × 14 = 630,
    48/45 = 48 × 14/45 × 14 = 672/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    21/70 = 21 × 9/70 × 9 = 189/630
  4. Add the two like fractions:
    672/630 + 189/630 = 672 + 189/630 = 861/630
  5. 861/630 simplified gives 41/30
  6. So, 48/45 + 21/70 = 41/30
    In mixed form: 111/30

MathStep (Works offline)

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

Related:

© everydaycalculation.com