Subtract 30/80 from 49/2, Solve 24 1/2

Subtract 30/80 from 49/2

1^st number: 24 1/2, 2^nd number: 30/80

49/2 - 30/80 is 193/8.

Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80

Next, find the equivalent fraction of both fractional numbers with denominator 80
For the 1st fraction, since 2 × 40 = 80,
49/2 = 49 × 40/2 × 40 = 1960/80
Likewise, for the 2nd fraction, since 80 × 1 = 80,
30/80 = 30 × 1/80 × 1 = 30/80
Subtract the two like fractions:
1960/80 - 30/80 = 1960 - 30/80 = 1930/80
After reducing the fraction, the answer is 193/8
In mixed form: 241/8

MathStep (Works offline)

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