Subtract 42/32 from 8/10
1st number: 8/10, 2nd number: 1 10/32
8/10 - 42/32 is -41/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 32 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 10 × 16 = 160,
8/10 = 8 × 16/10 × 16 = 128/160 - Likewise, for the 2nd fraction, since 32 × 5 = 160,
42/32 = 42 × 5/32 × 5 = 210/160 - Subtract the two like fractions:
128/160 - 210/160 = 128 - 210/160 = -82/160 - After reducing the fraction, the answer is -41/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10-42/32 8/10-84/32 8/20-42/32 8/10-42/64 24/10-42/32 8/30-42/32 8/10-42/96 40/10-42/32 8/50-42/32 56/10-42/32 8/70-42/32