Subtract 98/30 from 18/24
1st number: 18/24, 2nd number: 3 8/30
18/24 - 98/30 is -151/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 24 × 5 = 120,
18/24 = 18 × 5/24 × 5 = 90/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
98/30 = 98 × 4/30 × 4 = 392/120 - Subtract the two like fractions:
90/120 - 392/120 = 90 - 392/120 = -302/120 - After reducing the fraction, the answer is -151/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/24-98/30 18/48-98/30 18/24-98/60 54/24-98/30 18/72-98/30 18/24-98/90 90/24-98/30