Subtract 21/24 from 98/30
1st number: 3 8/30, 2nd number: 21/24
98/30 - 21/24 is 287/120.
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,
98/30 = 98 × 4/30 × 4 = 392/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
21/24 = 21 × 5/24 × 5 = 105/120 - Subtract the two like fractions:
392/120 - 105/120 = 392 - 105/120 = 287/120 - In mixed form: 247/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-42/24 98/60-21/24 98/30-21/48 98/30-63/24 98/90-21/24 98/30-21/72