Add 21/10 and 36/30
1st number: 2 1/10, 2nd number: 1 6/30
21/10 + 36/30 is 33/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
36/30 = 36 × 1/30 × 1 = 36/30 - Add the two like fractions:
63/30 + 36/30 = 63 + 36/30 = 99/30 - 99/30 simplified gives 33/10
- So, 21/10 + 36/30 = 33/10
In mixed form: 33/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10+36/30 21/10+72/30 21/20+36/30 21/10+36/60 63/10+36/30 21/30+36/30 21/10+36/90 21/50+36/30 21/70+36/30