Subtract 42/70 from 6/32
6/32 - 42/70 is -33/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 70 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 32 × 35 = 1120,
6/32 = 6 × 35/32 × 35 = 210/1120 - Likewise, for the 2nd fraction, since 70 × 16 = 1120,
42/70 = 42 × 16/70 × 16 = 672/1120 - Subtract the two like fractions:
210/1120 - 672/1120 = 210 - 672/1120 = -462/1120 - After reducing the fraction, the answer is -33/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/32-42/70 6/32-84/70 6/64-42/70 18/32-42/70 6/96-42/70 30/32-42/70 42/32-42/70