Subtract 70/8 from 18/14
1st number: 1 4/14, 2nd number: 8 6/8
18/14 - 70/8 is -209/28.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 8 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 14 × 4 = 56,
18/14 = 18 × 4/14 × 4 = 72/56 - Likewise, for the 2nd fraction, since 8 × 7 = 56,
70/8 = 70 × 7/8 × 7 = 490/56 - Subtract the two like fractions:
72/56 - 490/56 = 72 - 490/56 = -418/56 - After reducing the fraction, the answer is -209/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/14-70/8 18/28-70/8 18/14-70/16 54/14-70/8 18/42-70/8 18/14-70/24 90/14-70/8 18/70-70/8 18/14-70/40 18/98-70/8 18/14-70/56