Subtract 30/63 from 96/30, Solve 3 6/30

Subtract 30/63 from 96/30

1^st number: 3 6/30, 2^nd number: 30/63

96/30 - 30/63 is 286/105.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
96/30 = 96 × 21/30 × 21 = 2016/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
30/63 = 30 × 10/63 × 10 = 300/630
Subtract the two like fractions:
2016/630 - 300/630 = 2016 - 300/630 = 1716/630
After reducing the fraction, the answer is 286/105
In mixed form: 276/105

MathStep (Works offline)

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