Subtract 3/45 from 40/5
1st number: 8 0/5, 2nd number: 3/45
40/5 - 3/45 is 119/15.
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,
3/45 = 3 × 1/45 × 1 = 3/45 - Subtract the two like fractions:
360/45 - 3/45 = 360 - 3/45 = 357/45 - After reducing the fraction, the answer is 119/15
- In mixed form: 714/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/5-3/45 40/5-6/45 40/10-3/45 40/5-3/90 40/5-9/45 40/15-3/45 40/5-15/45 40/25-3/45 40/5-21/45 40/35-3/45