Add 40/42 and 14/60
40/42 + 14/60 is 83/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
40/42 = 40 × 10/42 × 10 = 400/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
14/60 = 14 × 7/60 × 7 = 98/420 - Add the two like fractions:
400/420 + 98/420 = 400 + 98/420 = 498/420 - 498/420 simplified gives 83/70
- So, 40/42 + 14/60 = 83/70
In mixed form: 113/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+14/60 40/42+28/60 40/84+14/60 40/42+42/60 40/42+70/60 40/42+98/60