Subtract 30/6 from 1/90
1st number: 1/90, 2nd number: 5 0/6
1/90 - 30/6 is -449/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 6 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
1/90 = 1 × 1/90 × 1 = 1/90 - Likewise, for the 2nd fraction, since 6 × 15 = 90,
30/6 = 30 × 15/6 × 15 = 450/90 - Subtract the two like fractions:
1/90 - 450/90 = 1 - 450/90 = -449/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/90-30/6 1/90-60/6 1/90-30/12 3/90-30/6 1/90-90/6 1/90-30/18 5/90-30/6 7/90-30/6 1/90-30/42