Add 60/40 and 9/14
1st number: 1 20/40, 2nd number: 9/14
60/40 + 9/14 is 15/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
60/40 = 60 × 7/40 × 7 = 420/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
9/14 = 9 × 20/14 × 20 = 180/280 - Add the two like fractions:
420/280 + 180/280 = 420 + 180/280 = 600/280 - 600/280 simplified gives 15/7
- So, 60/40 + 9/14 = 15/7
In mixed form: 21/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40+18/14 60/80+9/14 60/40+9/28 60/40+27/14 60/40+9/42 60/40+45/14 60/40+9/70 60/40+63/14 60/40+9/98