Subtract 9/10 from 9/3, Solve 3 0/3

Subtract 9/10 from 9/3

1^st number: 3 0/3, 2^nd number: 9/10

9/3 - 9/10 is 21/10.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 10 is 30

Next, find the equivalent fraction of both fractional numbers with denominator 30
For the 1st fraction, since 3 × 10 = 30,
9/3 = 9 × 10/3 × 10 = 90/30
Likewise, for the 2nd fraction, since 10 × 3 = 30,
9/10 = 9 × 3/10 × 3 = 27/30
Subtract the two like fractions:
90/30 - 27/30 = 90 - 27/30 = 63/30
After reducing the fraction, the answer is 21/10
In mixed form: 21/10

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad