Subtract 2/8 from 45/70
45/70 - 2/8 is 11/28.
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,
45/70 = 45 × 4/70 × 4 = 180/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
2/8 = 2 × 35/8 × 35 = 70/280 - Subtract the two like fractions:
180/280 - 70/280 = 180 - 70/280 = 110/280 - After reducing the fraction, the answer is 11/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-2/8 45/70-4/8 45/70-2/16 45/70-6/8 45/70-2/24 45/70-10/8 45/70-2/40 45/70-14/8 45/70-2/56