Subtract 90/15 from 4/30
1st number: 4/30, 2nd number: 6 0/15
4/30 - 90/15 is -88/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
4/30 = 4 × 1/30 × 1 = 4/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
90/15 = 90 × 2/15 × 2 = 180/30 - Subtract the two like fractions:
4/30 - 180/30 = 4 - 180/30 = -176/30 - After reducing the fraction, the answer is -88/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/30-90/15 4/60-90/15 4/30-90/30 12/30-90/15 4/90-90/15 4/30-90/45 20/30-90/15 4/30-90/75 28/30-90/15