Subtract 21/98 from 5/3, Solve 1 2/3

Subtract 21/98 from 5/3

1^st number: 1 2/3, 2^nd number: 21/98

5/3 - 21/98 is 61/42.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 98 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 3 × 98 = 294,
5/3 = 5 × 98/3 × 98 = 490/294
Likewise, for the 2nd fraction, since 98 × 3 = 294,
21/98 = 21 × 3/98 × 3 = 63/294
Subtract the two like fractions:
490/294 - 63/294 = 490 - 63/294 = 427/294
After reducing the fraction, the answer is 61/42
In mixed form: 119/42

MathStep (Works offline)

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