Subtract 98/64 from 8/70
1st number: 8/70, 2nd number: 1 34/64
8/70 - 98/64 is -1587/1120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
8/70 = 8 × 32/70 × 32 = 256/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
98/64 = 98 × 35/64 × 35 = 3430/2240 - Subtract the two like fractions:
256/2240 - 3430/2240 = 256 - 3430/2240 = -3174/2240 - After reducing the fraction, the answer is -1587/1120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/70-98/64 24/70-98/64 40/70-98/64 56/70-98/64