Subtract 14/70 from 18/8
1st number: 2 2/8, 2nd number: 14/70
18/8 - 14/70 is 41/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
14/70 = 14 × 4/70 × 4 = 56/280 - Subtract the two like fractions:
630/280 - 56/280 = 630 - 56/280 = 574/280 - After reducing the fraction, the answer is 41/20
- In mixed form: 21/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/8-14/70 18/8-28/70 18/16-14/70 54/8-14/70 18/8-42/70 18/24-14/70 90/8-14/70 18/40-14/70 18/8-98/70 18/56-14/70