Subtract 30/40 from 28/25
1st number: 1 3/25, 2nd number: 30/40
28/25 - 30/40 is 37/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 25 × 8 = 200,
28/25 = 28 × 8/25 × 8 = 224/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
30/40 = 30 × 5/40 × 5 = 150/200 - Subtract the two like fractions:
224/200 - 150/200 = 224 - 150/200 = 74/200 - After reducing the fraction, the answer is 37/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/25-30/40 28/25-60/40 28/50-30/40 28/25-30/80 84/25-30/40 28/25-90/40 28/75-30/40