Subtract 75/10 from 15/28
1st number: 15/28, 2nd number: 7 5/10
15/28 - 75/10 is -195/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
15/28 = 15 × 5/28 × 5 = 75/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
75/10 = 75 × 14/10 × 14 = 1050/140 - Subtract the two like fractions:
75/140 - 1050/140 = 75 - 1050/140 = -975/140 - After reducing the fraction, the answer is -195/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/28-75/10 15/56-75/10 15/28-75/20 45/28-75/10 15/84-75/10 15/28-75/30 75/28-75/10 15/28-75/50 15/28-75/70