Subtract 3/25 from 30/40
30/40 - 3/25 is 63/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 25 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
30/40 = 30 × 5/40 × 5 = 150/200 - Likewise, for the 2nd fraction, since 25 × 8 = 200,
3/25 = 3 × 8/25 × 8 = 24/200 - Subtract the two like fractions:
150/200 - 24/200 = 150 - 24/200 = 126/200 - After reducing the fraction, the answer is 63/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/40-3/25 30/40-6/25 30/80-3/25 30/40-3/50 90/40-3/25 30/40-9/25 30/40-3/75 30/40-15/25 30/40-21/25