Subtract 28/45 from 30/8
1st number: 3 6/8, 2nd number: 28/45
30/8 - 28/45 is 563/180.
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,
30/8 = 30 × 45/8 × 45 = 1350/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
28/45 = 28 × 8/45 × 8 = 224/360 - Subtract the two like fractions:
1350/360 - 224/360 = 1350 - 224/360 = 1126/360 - After reducing the fraction, the answer is 563/180
- In mixed form: 323/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/8-28/45 30/8-56/45 30/16-28/45 30/8-28/90 90/8-28/45 30/8-84/45 30/24-28/45 30/40-28/45 30/56-28/45