Subtract 25/8 from 4/70
1st number: 4/70, 2nd number: 3 1/8
4/70 - 25/8 is -859/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
4/70 = 4 × 4/70 × 4 = 16/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
25/8 = 25 × 35/8 × 35 = 875/280 - Subtract the two like fractions:
16/280 - 875/280 = 16 - 875/280 = -859/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/70-25/8 4/70-50/8 4/70-25/16 12/70-25/8 4/70-75/8 4/70-25/24 20/70-25/8 4/70-25/40 28/70-25/8 4/70-25/56