Subtract 36/8 from 40/70
1st number: 40/70, 2nd number: 4 4/8
40/70 - 36/8 is -55/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
40/70 = 40 × 4/70 × 4 = 160/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
36/8 = 36 × 35/8 × 35 = 1260/280 - Subtract the two like fractions:
160/280 - 1260/280 = 160 - 1260/280 = -1100/280 - After reducing the fraction, the answer is -55/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70-36/8 40/70-72/8 40/70-36/16 40/70-36/24 40/70-36/40 40/70-36/56