Subtract 7/25 from 30/20
1st number: 1 10/20, 2nd number: 7/25
30/20 - 7/25 is 61/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
30/20 = 30 × 5/20 × 5 = 150/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
7/25 = 7 × 4/25 × 4 = 28/100 - Subtract the two like fractions:
150/100 - 28/100 = 150 - 28/100 = 122/100 - After reducing the fraction, the answer is 61/50
- In mixed form: 111/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20-7/25 30/20-14/25 30/40-7/25 30/20-7/50 90/20-7/25 30/20-21/25 30/60-7/25 30/20-7/75 30/20-35/25 30/20-49/25