Subtract 28/30 from 98/40
1st number: 2 18/40, 2nd number: 28/30
98/40 - 28/30 is 91/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
98/40 = 98 × 3/40 × 3 = 294/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
28/30 = 28 × 4/30 × 4 = 112/120 - Subtract the two like fractions:
294/120 - 112/120 = 294 - 112/120 = 182/120 - After reducing the fraction, the answer is 91/60
- In mixed form: 131/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-56/30 98/80-28/30 98/40-28/60 98/40-84/30 98/40-28/90