Subtract 30/40 from 3/4
3/4 - 30/40 is 0/1.
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,
3/4 = 3 × 10/4 × 10 = 30/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
30/40 = 30 × 1/40 × 1 = 30/40 - Subtract the two like fractions:
30/40 - 30/40 = 30 - 30/40 = 0/40 - The answer is 0
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/4-30/40 3/4-60/40 3/8-30/40 3/4-30/80 9/4-30/40 3/4-90/40 3/12-30/40 15/4-30/40 3/20-30/40 21/4-30/40 3/28-30/40