Add 40/60 and 5/42
40/60 + 5/42 is 11/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 42 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Likewise, for the 2nd fraction, since 42 × 10 = 420,
5/42 = 5 × 10/42 × 10 = 50/420 - Add the two like fractions:
280/420 + 50/420 = 280 + 50/420 = 330/420 - 330/420 simplified gives 11/14
- So, 40/60 + 5/42 = 11/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+5/42 40/60+10/42 40/60+5/84 40/60+15/42 40/60+25/42 40/60+35/42