Add 40/21 and 24/60
1st number: 1 19/21, 2nd number: 24/60
40/21 + 24/60 is 242/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 21 × 20 = 420,
40/21 = 40 × 20/21 × 20 = 800/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
24/60 = 24 × 7/60 × 7 = 168/420 - Add the two like fractions:
800/420 + 168/420 = 800 + 168/420 = 968/420 - 968/420 simplified gives 242/105
- So, 40/21 + 24/60 = 242/105
In mixed form: 232/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/21+24/60 40/21+48/60 40/42+24/60 40/21+72/60 40/63+24/60