Subtract 70/40 from 70/14
1st number: 5 0/14, 2nd number: 1 30/40
70/14 - 70/40 is 13/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 14 × 20 = 280,
70/14 = 70 × 20/14 × 20 = 1400/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
70/40 = 70 × 7/40 × 7 = 490/280 - Subtract the two like fractions:
1400/280 - 490/280 = 1400 - 490/280 = 910/280 - After reducing the fraction, the answer is 13/4
- In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28-70/40 70/14-70/80 70/42-70/40 70/98-70/40