Subtract 42/96 from 5/45
5/45 - 42/96 is -47/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 96 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
5/45 = 5 × 32/45 × 32 = 160/1440 - Likewise, for the 2nd fraction, since 96 × 15 = 1440,
42/96 = 42 × 15/96 × 15 = 630/1440 - Subtract the two like fractions:
160/1440 - 630/1440 = 160 - 630/1440 = -470/1440 - After reducing the fraction, the answer is -47/144
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/45-42/96 5/45-84/96 5/90-42/96 15/45-42/96 25/45-42/96 35/45-42/96