Add 21/36 and 5/60
21/36 + 5/60 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
5/60 = 5 × 3/60 × 3 = 15/180 - Add the two like fractions:
105/180 + 15/180 = 105 + 15/180 = 120/180 - 120/180 simplified gives 2/3
- So, 21/36 + 5/60 = 2/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/36+5/60 21/36+10/60 21/72+5/60 63/36+5/60 21/36+15/60 21/36+25/60 21/36+35/60