Subtract 9/70 from 3/8
3/8 - 9/70 is 69/280.
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,
3/8 = 3 × 35/8 × 35 = 105/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
9/70 = 9 × 4/70 × 4 = 36/280 - Subtract the two like fractions:
105/280 - 36/280 = 105 - 36/280 = 69/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/8-9/70 3/8-18/70 3/16-9/70 9/8-9/70 3/8-27/70 3/24-9/70 15/8-9/70 3/8-45/70 3/40-9/70 21/8-9/70 3/8-63/70 3/56-9/70