Add 3/60 and 14/21
3/60 + 14/21 is 43/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 21 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
3/60 = 3 × 7/60 × 7 = 21/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
14/21 = 14 × 20/21 × 20 = 280/420 - Add the two like fractions:
21/420 + 280/420 = 21 + 280/420 = 301/420 - 301/420 simplified gives 43/60
- So, 3/60 + 14/21 = 43/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+14/21 3/60+28/21 3/60+14/42 9/60+14/21 3/60+42/21 3/60+14/63 15/60+14/21 3/60+70/21 21/60+14/21 3/60+98/21