Add 3/4 and 9/10
3/4 + 9/10 is 33/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
3/4 = 3 × 5/4 × 5 = 15/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
9/10 = 9 × 2/10 × 2 = 18/20 - Add the two like fractions:
15/20 + 18/20 = 15 + 18/20 = 33/20 - So, 3/4 + 9/10 = 33/20
In mixed form: 113/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4+9/10 3/4+18/10 3/8+9/10 3/4+9/20 9/4+9/10 3/4+27/10 3/12+9/10 3/4+9/30 15/4+9/10 3/4+45/10 3/20+9/10 3/4+9/50 21/4+9/10 3/4+63/10 3/28+9/10 3/4+9/70