Subtract 98/32 from 15/70
1st number: 15/70, 2nd number: 3 2/32
15/70 - 98/32 is -319/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 32 is 1120
Next, find the equivalent fraction of both fractional numbers with denominator 1120 - For the 1st fraction, since 70 × 16 = 1120,
15/70 = 15 × 16/70 × 16 = 240/1120 - Likewise, for the 2nd fraction, since 32 × 35 = 1120,
98/32 = 98 × 35/32 × 35 = 3430/1120 - Subtract the two like fractions:
240/1120 - 3430/1120 = 240 - 3430/1120 = -3190/1120 - After reducing the fraction, the answer is -319/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/70-98/32 15/70-98/64 45/70-98/32 15/70-98/96 75/70-98/32