Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 42/30 and 7/56

1st number: 1 12/30, 2nd number: 7/56

42/30 + 7/56 is 61/40.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 56 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 30 × 28 = 840,
    42/30 = 42 × 28/30 × 28 = 1176/840
  3. Likewise, for the 2nd fraction, since 56 × 15 = 840,
    7/56 = 7 × 15/56 × 15 = 105/840
  4. Add the two like fractions:
    1176/840 + 105/840 = 1176 + 105/840 = 1281/840
  5. 1281/840 simplified gives 61/40
  6. So, 42/30 + 7/56 = 61/40
    In mixed form: 121/40

MathStep (Works offline)

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

Related:

© everydaycalculation.com