Subtract 18/10 from 48/98, Solve 48/98

Subtract 18/10 from 48/98

1^st number: 48/98, 2^nd number: 1 8/10

48/98 - 18/10 is -321/245.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 98 × 5 = 490,
48/98 = 48 × 5/98 × 5 = 240/490
Likewise, for the 2nd fraction, since 10 × 49 = 490,
18/10 = 18 × 49/10 × 49 = 882/490
Subtract the two like fractions:
240/490 - 882/490 = 240 - 882/490 = -642/490
After reducing the fraction, the answer is -321/245

MathStep (Works offline)

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