Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 7/63 and 98/20

1st number: 7/63, 2nd number: 4 18/20

7/63 + 98/20 is 451/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 20 is 1260

    Next, find the equivalent fraction of both fractional numbers with denominator 1260
  2. For the 1st fraction, since 63 × 20 = 1260,
    7/63 = 7 × 20/63 × 20 = 140/1260
  3. Likewise, for the 2nd fraction, since 20 × 63 = 1260,
    98/20 = 98 × 63/20 × 63 = 6174/1260
  4. Add the two like fractions:
    140/1260 + 6174/1260 = 140 + 6174/1260 = 6314/1260
  5. 6314/1260 simplified gives 451/90
  6. So, 7/63 + 98/20 = 451/90
    In mixed form: 51/90

MathStep (Works offline)

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

Related:

© everydaycalculation.com