Add 21/60 and 2/30
21/60 + 2/30 is 5/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
2/30 = 2 × 2/30 × 2 = 4/60 - Add the two like fractions:
21/60 + 4/60 = 21 + 4/60 = 25/60 - 25/60 simplified gives 5/12
- So, 21/60 + 2/30 = 5/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/60+2/30 21/60+4/30 21/60+2/60 63/60+2/30 21/60+6/30 21/60+2/90 21/60+10/30 21/60+14/30