Subtract 2/10 from 42/32, Solve 1 10/32

Subtract 2/10 from 42/32

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

42/32 - 2/10 is 89/80.

Find the least common denominator or LCM of the two denominators:
LCM of 32 and 10 is 160

Next, find the equivalent fraction of both fractional numbers with denominator 160
For the 1st fraction, since 32 × 5 = 160,
42/32 = 42 × 5/32 × 5 = 210/160
Likewise, for the 2nd fraction, since 10 × 16 = 160,
2/10 = 2 × 16/10 × 16 = 32/160
Subtract the two like fractions:
210/160 - 32/160 = 210 - 32/160 = 178/160
After reducing the fraction, the answer is 89/80
In mixed form: 19/80

MathStep (Works offline)

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