Subtract 6/63 from 98/30, Solve 3 8/30

Subtract 6/63 from 98/30

1^st number: 3 8/30, 2^nd number: 6/63

98/30 - 6/63 is 111/35.

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,
98/30 = 98 × 21/30 × 21 = 2058/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
6/63 = 6 × 10/63 × 10 = 60/630
Subtract the two like fractions:
2058/630 - 60/630 = 2058 - 60/630 = 1998/630
After reducing the fraction, the answer is 111/35
In mixed form: 36/35

MathStep (Works offline)

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