Subtract 96/70 from 45/20
1st number: 2 5/20, 2nd number: 1 26/70
45/20 - 96/70 is 123/140.
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,
45/20 = 45 × 7/20 × 7 = 315/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
96/70 = 96 × 2/70 × 2 = 192/140 - Subtract the two like fractions:
315/140 - 192/140 = 315 - 192/140 = 123/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20-96/70 45/40-96/70 45/60-96/70