Subtract 2/45 from 40/5
1st number: 8 0/5, 2nd number: 2/45
40/5 - 2/45 is 358/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
40/5 = 40 × 9/5 × 9 = 360/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
2/45 = 2 × 1/45 × 1 = 2/45 - Subtract the two like fractions:
360/45 - 2/45 = 360 - 2/45 = 358/45 - In mixed form: 743/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-2/45 40/5-4/45 40/10-2/45 40/5-2/90 40/5-6/45 40/15-2/45 40/5-10/45 40/25-2/45 40/5-14/45 40/35-2/45