Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/98 and 42/30

1st number: 72/98, 2nd number: 1 12/30

72/98 + 42/30 is 523/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 30 is 1470
  2. For the 1st fraction, since 98 × 15 = 1470,
    72/98 = 72 × 15/98 × 15 = 1080/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    42/30 = 42 × 49/30 × 49 = 2058/1470
  4. Add the two fractions:
    1080/1470 + 2058/1470 = 1080 + 2058/1470 = 3138/1470
  5. 3138/1470 simplified gives 523/245
  6. So, 72/98 + 42/30 = 523/245
    In mixed form: 233/245

MathStep (Works offline)

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

Related:

© everydaycalculation.com