Add 3/30 and 21/36
3/30 + 21/36 is 41/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
3/30 = 3 × 6/30 × 6 = 18/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
21/36 = 21 × 5/36 × 5 = 105/180 - Add the two like fractions:
18/180 + 105/180 = 18 + 105/180 = 123/180 - 123/180 simplified gives 41/60
- So, 3/30 + 21/36 = 41/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+21/36 3/30+42/36 3/60+21/36 3/30+21/72 9/30+21/36 3/30+63/36 3/90+21/36 15/30+21/36 21/30+21/36