Subtract 60/40 from 42/96
1st number: 42/96, 2nd number: 1 20/40
42/96 - 60/40 is -17/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 40 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 96 × 5 = 480,
42/96 = 42 × 5/96 × 5 = 210/480 - Likewise, for the 2nd fraction, since 40 × 12 = 480,
60/40 = 60 × 12/40 × 12 = 720/480 - Subtract the two like fractions:
210/480 - 720/480 = 210 - 720/480 = -510/480 - After reducing the fraction, the answer is -17/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/96-60/40 42/96-60/80