Add 21/6 and 75/30
1st number: 3 3/6, 2nd number: 2 15/30
21/6 + 75/30 is 6/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 6 × 5 = 30,
21/6 = 21 × 5/6 × 5 = 105/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
75/30 = 75 × 1/30 × 1 = 75/30 - Add the two like fractions:
105/30 + 75/30 = 105 + 75/30 = 180/30 - 180/30 simplified gives 6/1
- So, 21/6 + 75/30 = 6/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/6+75/30 21/12+75/30 21/6+75/60 63/6+75/30 21/18+75/30 21/6+75/90 21/30+75/30 21/42+75/30