Subtract 4/40 from 98/12
1st number: 8 2/12, 2nd number: 4/40
98/12 - 4/40 is 121/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
98/12 = 98 × 10/12 × 10 = 980/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
4/40 = 4 × 3/40 × 3 = 12/120 - Subtract the two like fractions:
980/120 - 12/120 = 980 - 12/120 = 968/120 - After reducing the fraction, the answer is 121/15
- In mixed form: 81/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-8/40 98/24-4/40 98/12-4/80 98/12-12/40 98/36-4/40 98/12-20/40 98/60-4/40 98/12-28/40 98/84-4/40