Add 40/42 and 4/60
40/42 + 4/60 is 107/105.
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,
4/60 = 4 × 7/60 × 7 = 28/420 - Add the two like fractions:
400/420 + 28/420 = 400 + 28/420 = 428/420 - 428/420 simplified gives 107/105
- So, 40/42 + 4/60 = 107/105
In mixed form: 12/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+4/60 40/42+8/60 40/84+4/60 40/42+12/60 40/42+20/60 40/42+28/60