Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/7 and 4/40

1st number: 6 0/7, 2nd number: 4/40

42/7 + 4/40 is 61/10.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 7 × 40 = 280,
    42/7 = 42 × 40/7 × 40 = 1680/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    4/40 = 4 × 7/40 × 7 = 28/280
  4. Add the two like fractions:
    1680/280 + 28/280 = 1680 + 28/280 = 1708/280
  5. 1708/280 simplified gives 61/10
  6. So, 42/7 + 4/40 = 61/10
    In mixed form: 61/10

MathStep (Works offline)

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

Related:

© everydaycalculation.com