Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 90/42 and 28/25

1st number: 2 6/42, 2nd number: 1 3/25

90/42 + 28/25 is 571/175.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 25 is 1050

    Next, find the equivalent fraction of both fractional numbers with denominator 1050
  2. For the 1st fraction, since 42 × 25 = 1050,
    90/42 = 90 × 25/42 × 25 = 2250/1050
  3. Likewise, for the 2nd fraction, since 25 × 42 = 1050,
    28/25 = 28 × 42/25 × 42 = 1176/1050
  4. Add the two like fractions:
    2250/1050 + 1176/1050 = 2250 + 1176/1050 = 3426/1050
  5. 3426/1050 simplified gives 571/175
  6. So, 90/42 + 28/25 = 571/175
    In mixed form: 346/175

MathStep (Works offline)

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

Related:

© everydaycalculation.com