Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 12/70 and 30/4

1st number: 12/70, 2nd number: 7 2/4

12/70 + 30/4 is 537/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 4 is 140

    Next, find the equivalent fraction of both fractional numbers with denominator 140
  2. For the 1st fraction, since 70 × 2 = 140,
    12/70 = 12 × 2/70 × 2 = 24/140
  3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
    30/4 = 30 × 35/4 × 35 = 1050/140
  4. Add the two like fractions:
    24/140 + 1050/140 = 24 + 1050/140 = 1074/140
  5. 1074/140 simplified gives 537/70
  6. So, 12/70 + 30/4 = 537/70
    In mixed form: 747/70

MathStep (Works offline)

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

Related:

© everydaycalculation.com