Subtract 16/70 from 25/8
1st number: 3 1/8, 2nd number: 16/70
25/8 - 16/70 is 811/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
25/8 = 25 × 35/8 × 35 = 875/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
16/70 = 16 × 4/70 × 4 = 64/280 - Subtract the two like fractions:
875/280 - 64/280 = 875 - 64/280 = 811/280 - In mixed form: 2251/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/8-16/70 25/8-32/70 25/16-16/70 75/8-16/70 25/8-48/70 25/24-16/70 25/8-80/70 25/40-16/70 25/56-16/70