Subtract 28/63 from 25/6, Solve 4 1/6

Subtract 28/63 from 25/6

1^st number: 4 1/6, 2^nd number: 28/63

25/6 - 28/63 is 67/18.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 63 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 6 × 21 = 126,
25/6 = 25 × 21/6 × 21 = 525/126
Likewise, for the 2nd fraction, since 63 × 2 = 126,
28/63 = 28 × 2/63 × 2 = 56/126
Subtract the two like fractions:
525/126 - 56/126 = 525 - 56/126 = 469/126
After reducing the fraction, the answer is 67/18
In mixed form: 313/18

MathStep (Works offline)

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