Subtract 4/70 from 25/20
1st number: 1 5/20, 2nd number: 4/70
25/20 - 4/70 is 167/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
25/20 = 25 × 7/20 × 7 = 175/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
4/70 = 4 × 2/70 × 2 = 8/140 - Subtract the two like fractions:
175/140 - 8/140 = 175 - 8/140 = 167/140 - In mixed form: 127/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20-4/70 25/20-8/70 25/40-4/70 75/20-4/70 25/20-12/70 25/60-4/70 25/20-20/70 25/20-28/70