Subtract 21/45 from 98/3, Solve 32 2/3

Subtract 21/45 from 98/3

1^st number: 32 2/3, 2^nd number: 21/45

98/3 - 21/45 is 161/5.

Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45

Next, find the equivalent fraction of both fractional numbers with denominator 45
For the 1st fraction, since 3 × 15 = 45,
98/3 = 98 × 15/3 × 15 = 1470/45
Likewise, for the 2nd fraction, since 45 × 1 = 45,
21/45 = 21 × 1/45 × 1 = 21/45
Subtract the two like fractions:
1470/45 - 21/45 = 1470 - 21/45 = 1449/45
After reducing the fraction, the answer is 161/5
In mixed form: 321/5

MathStep (Works offline)

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