Subtract 30/90 from 6/5
1st number: 1 1/5, 2nd number: 30/90
6/5 - 30/90 is 13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
6/5 = 6 × 18/5 × 18 = 108/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
30/90 = 30 × 1/90 × 1 = 30/90 - Subtract the two like fractions:
108/90 - 30/90 = 108 - 30/90 = 78/90 - After reducing the fraction, the answer is 13/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/5-30/90 6/5-60/90 6/10-30/90 18/5-30/90 6/15-30/90 30/5-30/90 6/25-30/90 42/5-30/90 6/35-30/90