Subtract 54/12 from 98/40
1st number: 2 18/40, 2nd number: 4 6/12
98/40 - 54/12 is -41/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 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 12 × 10 = 120,
54/12 = 54 × 10/12 × 10 = 540/120 - Subtract the two like fractions:
294/120 - 540/120 = 294 - 540/120 = -246/120 - After reducing the fraction, the answer is -41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/80-54/12 98/40-54/24 98/40-54/36 98/40-54/60 98/40-54/84