Subtract 42/96 from 15/35
15/35 - 42/96 is -1/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 96 is 3360
Next, find the equivalent fraction of both fractional numbers with denominator 3360 - For the 1st fraction, since 35 × 96 = 3360,
15/35 = 15 × 96/35 × 96 = 1440/3360 - Likewise, for the 2nd fraction, since 96 × 35 = 3360,
42/96 = 42 × 35/96 × 35 = 1470/3360 - Subtract the two like fractions:
1440/3360 - 1470/3360 = 1440 - 1470/3360 = -30/3360 - After reducing the fraction, the answer is -1/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/35-42/96 15/35-84/96 15/70-42/96 45/35-42/96 75/35-42/96