Subtract 5/45 from 98/12
1st number: 8 2/12, 2nd number: 5/45
98/12 - 5/45 is 145/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
98/12 = 98 × 15/12 × 15 = 1470/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
5/45 = 5 × 4/45 × 4 = 20/180 - Subtract the two like fractions:
1470/180 - 20/180 = 1470 - 20/180 = 1450/180 - After reducing the fraction, the answer is 145/18
- In mixed form: 81/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-10/45 98/24-5/45 98/12-5/90 98/12-15/45 98/36-5/45 98/12-25/45 98/60-5/45 98/12-35/45 98/84-5/45