Subtract 5/8 from 45/70
45/70 - 5/8 is 1/56.
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,
5/8 = 5 × 35/8 × 35 = 175/280 - Subtract the two like fractions:
180/280 - 175/280 = 180 - 175/280 = 5/280 - After reducing the fraction, the answer is 1/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70-5/8 45/70-10/8 45/70-5/16 45/70-15/8 45/70-5/24 45/70-25/8 45/70-5/40 45/70-35/8 45/70-5/56