Subtract 4/50 from 42/32, Solve 1 10/32

Subtract 4/50 from 42/32

1^st number: 1 10/32, 2^nd number: 4/50

42/32 - 4/50 is 493/400.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 50 is 800

Next, find the equivalent fraction of both fractional numbers with denominator 800
For the 1st fraction, since 32 × 25 = 800,
42/32 = 42 × 25/32 × 25 = 1050/800
Likewise, for the 2nd fraction, since 50 × 16 = 800,
4/50 = 4 × 16/50 × 16 = 64/800
Subtract the two like fractions:
1050/800 - 64/800 = 1050 - 64/800 = 986/800
After reducing the fraction, the answer is 493/400
In mixed form: 193/400

MathStep (Works offline)

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