Subtract 4/45 from 75/10
1st number: 7 5/10, 2nd number: 4/45
75/10 - 4/45 is 667/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
75/10 = 75 × 9/10 × 9 = 675/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
4/45 = 4 × 2/45 × 2 = 8/90 - Subtract the two like fractions:
675/90 - 8/90 = 675 - 8/90 = 667/90 - In mixed form: 737/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/10-8/45 75/20-4/45 75/10-4/90 75/10-12/45 75/30-4/45 75/10-20/45 75/50-4/45 75/10-28/45 75/70-4/45