Subtract 70/12 from 98/28
1st number: 3 14/28, 2nd number: 5 10/12
98/28 - 70/12 is -7/3.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
98/28 = 98 × 3/28 × 3 = 294/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Subtract the two like fractions:
294/84 - 490/84 = 294 - 490/84 = -196/84 - After reducing the fraction, the answer is -7/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56-70/12 98/28-70/24 98/84-70/12 98/28-70/36 98/28-70/60 98/28-70/84