Subtract 28/96 from 42/30
1st number: 1 12/30, 2nd number: 28/96
42/30 - 28/96 is 133/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 96 is 480
Next, find the equivalent fraction of both fractional numbers with denominator 480 - For the 1st fraction, since 30 × 16 = 480,
42/30 = 42 × 16/30 × 16 = 672/480 - Likewise, for the 2nd fraction, since 96 × 5 = 480,
28/96 = 28 × 5/96 × 5 = 140/480 - Subtract the two like fractions:
672/480 - 140/480 = 672 - 140/480 = 532/480 - After reducing the fraction, the answer is 133/120
- In mixed form: 113/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-28/96 42/30-56/96 42/60-28/96 42/30-84/96 42/90-28/96