Subtract 45/7 from 98/12
1st number: 8 2/12, 2nd number: 6 3/7
98/12 - 45/7 is 73/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
98/12 = 98 × 7/12 × 7 = 686/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
45/7 = 45 × 12/7 × 12 = 540/84 - Subtract the two like fractions:
686/84 - 540/84 = 686 - 540/84 = 146/84 - After reducing the fraction, the answer is 73/42
- In mixed form: 131/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/12-90/7 98/24-45/7 98/12-45/14 98/36-45/7 98/12-45/21 98/60-45/7 98/12-45/35 98/84-45/7 98/12-45/49