Add 3/60 and 2/21
3/60 + 2/21 is 61/420.
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,
2/21 = 2 × 20/21 × 20 = 40/420 - Add the two like fractions:
21/420 + 40/420 = 21 + 40/420 = 61/420 - So, 3/60 + 2/21 = 61/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/60+2/21 3/60+4/21 3/60+2/42 9/60+2/21 3/60+6/21 3/60+2/63 15/60+2/21 3/60+10/21 21/60+2/21 3/60+14/21