Subtract 30/40 from 40/4
1st number: 10 0/4, 2nd number: 30/40
40/4 - 30/40 is 37/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
40/4 = 40 × 10/4 × 10 = 400/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Subtract the two like fractions:
400/40 - 30/40 = 400 - 30/40 = 370/40 - After reducing the fraction, the answer is 37/4
- In mixed form: 91/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4-30/40 40/4-60/40 40/8-30/40 40/4-30/80 40/4-90/40 40/12-30/40 40/20-30/40 40/28-30/40