Subtract 56/10 from 15/45
1st number: 15/45, 2nd number: 5 6/10
15/45 - 56/10 is -79/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
15/45 = 15 × 2/45 × 2 = 30/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
56/10 = 56 × 9/10 × 9 = 504/90 - Subtract the two like fractions:
30/90 - 504/90 = 30 - 504/90 = -474/90 - After reducing the fraction, the answer is -79/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/45-56/10 15/90-56/10 15/45-56/20 15/45-56/30 75/45-56/10 15/45-56/50 15/45-56/70