Subtract 12/20 from 25/7
1st number: 3 4/7, 2nd number: 12/20
25/7 - 12/20 is 104/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
25/7 = 25 × 20/7 × 20 = 500/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
12/20 = 12 × 7/20 × 7 = 84/140 - Subtract the two like fractions:
500/140 - 84/140 = 500 - 84/140 = 416/140 - After reducing the fraction, the answer is 104/35
- In mixed form: 234/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/7-12/20 25/7-24/20 25/14-12/20 25/7-12/40 75/7-12/20 25/7-36/20 25/21-12/20 25/7-12/60 25/7-60/20 25/35-12/20 25/7-84/20 25/49-12/20