Subtract 30/45 from 6/8
6/8 - 30/45 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
6/8 = 6 × 45/8 × 45 = 270/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Subtract the two like fractions:
270/360 - 240/360 = 270 - 240/360 = 30/360 - After reducing the fraction, the answer is 1/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/8-30/45 6/8-60/45 6/16-30/45 6/8-30/90 18/8-30/45 6/8-90/45 6/24-30/45 30/8-30/45 6/40-30/45 42/8-30/45 6/56-30/45