Subtract 9/98 from 48/28, Solve 1 20/28

Subtract 9/98 from 48/28

1^st number: 1 20/28, 2^nd number: 9/98

48/28 - 9/98 is 159/98.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196

Next, find the equivalent fraction of both fractional numbers with denominator 196
For the 1st fraction, since 28 × 7 = 196,
48/28 = 48 × 7/28 × 7 = 336/196
Likewise, for the 2nd fraction, since 98 × 2 = 196,
9/98 = 9 × 2/98 × 2 = 18/196
Subtract the two like fractions:
336/196 - 18/196 = 336 - 18/196 = 318/196
After reducing the fraction, the answer is 159/98
In mixed form: 161/98

MathStep (Works offline)

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