Add 5/60 and 3/21
5/60 + 3/21 is 19/84.
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,
5/60 = 5 × 7/60 × 7 = 35/420 - Likewise, for the 2nd fraction, since 21 × 20 = 420,
3/21 = 3 × 20/21 × 20 = 60/420 - Add the two like fractions:
35/420 + 60/420 = 35 + 60/420 = 95/420 - 95/420 simplified gives 19/84
- So, 5/60 + 3/21 = 19/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/60+3/21 5/60+6/21 5/60+3/42 15/60+3/21 5/60+9/21 5/60+3/63 25/60+3/21 5/60+15/21 35/60+3/21