Subtract 16/10 from 42/32
1st number: 1 10/32, 2nd number: 1 6/10
42/32 - 16/10 is -23/80.
Steps for subtracting fractions
- 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,
16/10 = 16 × 16/10 × 16 = 256/160 - Subtract the two like fractions:
210/160 - 256/160 = 210 - 256/160 = -46/160 - After reducing the fraction, the answer is -23/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-16/10 42/32-32/10 42/64-16/10 42/32-16/20 42/32-48/10 42/96-16/10 42/32-16/30 42/32-80/10 42/32-16/50 42/32-16/70