Subtract 70/32 from 40/98
1st number: 40/98, 2nd number: 2 6/32
40/98 - 70/32 is -1395/784.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 32 is 1568
Next, find the equivalent fraction of both fractional numbers with denominator 1568 - For the 1st fraction, since 98 × 16 = 1568,
40/98 = 40 × 16/98 × 16 = 640/1568 - Likewise, for the 2nd fraction, since 32 × 49 = 1568,
70/32 = 70 × 49/32 × 49 = 3430/1568 - Subtract the two like fractions:
640/1568 - 3430/1568 = 640 - 3430/1568 = -2790/1568 - After reducing the fraction, the answer is -1395/784
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/98-70/32 40/98-70/64 40/98-70/96