Subtract 14/20 from 42/32
1st number: 1 10/32, 2nd number: 14/20
42/32 - 14/20 is 49/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 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 20 × 8 = 160,
14/20 = 14 × 8/20 × 8 = 112/160 - Subtract the two like fractions:
210/160 - 112/160 = 210 - 112/160 = 98/160 - After reducing the fraction, the answer is 49/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/32-14/20 42/32-28/20 42/64-14/20 42/32-14/40 42/32-42/20 42/96-14/20 42/32-14/60 42/32-70/20 42/32-98/20