Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/10 and 3/72

1st number: 4 2/10, 2nd number: 3/72

42/10 + 3/72 is 509/120.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 72 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 10 × 36 = 360,
    42/10 = 42 × 36/10 × 36 = 1512/360
  3. Likewise, for the 2nd fraction, since 72 × 5 = 360,
    3/72 = 3 × 5/72 × 5 = 15/360
  4. Add the two like fractions:
    1512/360 + 15/360 = 1512 + 15/360 = 1527/360
  5. 1527/360 simplified gives 509/120
  6. So, 42/10 + 3/72 = 509/120
    In mixed form: 429/120

MathStep (Works offline)

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

Related:

© everydaycalculation.com