Subtract 40/30 from 42/96
1st number: 42/96, 2nd number: 1 10/30
42/96 - 40/30 is -43/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 96 and 30 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 30 × 16 = 480,
40/30 = 40 × 16/30 × 16 = 640/480 - Subtract the two like fractions:
210/480 - 640/480 = 210 - 640/480 = -430/480 - After reducing the fraction, the answer is -43/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/96-40/30 42/96-80/30 42/96-40/60 42/96-40/90