Subtract 10/7 from 30/3, Solve 10 0/3

Subtract 10/7 from 30/3

1^st number: 10 0/3, 2^nd number: 1 3/7

30/3 - 10/7 is 60/7.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21

Next, find the equivalent fraction of both fractional numbers with denominator 21
For the 1st fraction, since 3 × 7 = 21,
30/3 = 30 × 7/3 × 7 = 210/21
Likewise, for the 2nd fraction, since 7 × 3 = 21,
10/7 = 10 × 3/7 × 3 = 30/21
Subtract the two like fractions:
210/21 - 30/21 = 210 - 30/21 = 180/21
After reducing the fraction, the answer is 60/7
In mixed form: 84/7

MathStep (Works offline)

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