Subtract 90/24 from 1/30
1st number: 1/30, 2nd number: 3 18/24
1/30 - 90/24 is -223/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
1/30 = 1 × 4/30 × 4 = 4/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
90/24 = 90 × 5/24 × 5 = 450/120 - Subtract the two like fractions:
4/120 - 450/120 = 4 - 450/120 = -446/120 - After reducing the fraction, the answer is -223/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30-90/24 1/60-90/24 1/30-90/48 3/30-90/24 1/90-90/24 1/30-90/72 5/30-90/24 7/30-90/24