Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » Add fractions

Add 50/42 and 7/40

1st number: 1 8/42, 2nd number: 7/40

50/42 + 7/40 is 1147/840.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 40 is 840
  2. For the 1st fraction, since 42 × 20 = 840,
    50/42 = 50 × 20/42 × 20 = 1000/840
  3. Likewise, for the 2nd fraction, since 40 × 21 = 840,
    7/40 = 7 × 21/40 × 21 = 147/840
  4. Add the two fractions:
    1000/840 + 147/840 = 1000 + 147/840 = 1147/840
  5. So, 50/42 + 7/40 = 1147/840
    In mixed form: 1307/840

MathStep (Works offline)

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

Related:

© everydaycalculation.com