Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 72/49 and 42/30

1st number: 1 23/49, 2nd number: 1 12/30

72/49 + 42/30 is 703/245.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 49 and 30 is 1470
  2. For the 1st fraction, since 49 × 30 = 1470,
    72/49 = 72 × 30/49 × 30 = 2160/1470
  3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
    42/30 = 42 × 49/30 × 49 = 2058/1470
  4. Add the two fractions:
    2160/1470 + 2058/1470 = 2160 + 2058/1470 = 4218/1470
  5. 4218/1470 simplified gives 703/245
  6. So, 72/49 + 42/30 = 703/245
    In mixed form: 2213/245

MathStep (Works offline)

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

Related:

© everydaycalculation.com